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St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

Three Sisters Bridges, Ninth Street Bridge, Spanning Allegheny River at Ninth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Ninth Street Bridge, Spanning Allegheny River a...

Survey number: HAER PA-490-C Building/structure dates: 1924-1926 Initial Construction National Register of Historic Places NRIS Number: 86000019

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

Three Sisters Bridges, Ninth Street Bridge, Spanning Allegheny River at Ninth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Ninth Street Bridge, Spanning Allegheny River a...

Survey number: HAER PA-490-C Building/structure dates: 1924-1926 Initial Construction National Register of Historic Places NRIS Number: 86000019

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

Three Sisters Bridges, Ninth Street Bridge, Spanning Allegheny River at Ninth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Ninth Street Bridge, Spanning Allegheny River a...

Survey number: HAER PA-490-C Building/structure dates: 1924-1926 Initial Construction National Register of Historic Places NRIS Number: 86000019

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street & Grand Avenue, Coraopolis, Allegheny County, PA

Coraopolis Bridge, Spanning Ohio River back channel at Ferree Street &...

See also HAER PA-490 for related documentation. Includes drawings, photographs & written data. Significance: The Coraopolis Bridge comprises two Pennsylvania through truss spans designed by Theodore Cooper and ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela & Allegheny rivers, Pittsburgh, Allegheny County, PA

West End-North Side Bridge, Spanning Ohio River, approximately 1 mile ...

Photographs cover approach spans only; Ohio River span not shown. Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the Americ... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...

Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More

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