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Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway (I-76), Schuylkill River & Green Lane, Philadelphia, Philadelphia County, PA

Pennsylvania Railroad, Manayunk Bridge, Spanning Schuylkill Expressway...

Significance: The bridge's nine open-spandrel reinforced concrete arches follow an unusual reverse curvature, which earns it the nickname "S-bridge." Towering over the town of Manayunk and the Schuylkill Expres... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning Wissahickon Creek, north of Ridge Avenue Bridge, Philadelphia, Philadelphia County, PA

Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...

Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More