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McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek County, IA

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McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek County, IA

description

Summary

Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their great structural efficiency. The 1880s saw a shift towards the pin-connected trusses which offered greater lateral stability. The McDowell bridge is an excellent example of the work of the King Iron Bridge and Manufacturing Company, a major bridge fabricator who erected thousands of these type of bridges throughout the nation, including hundreds in Iowa. This bridge is also of interest for its use of the King Company's patented end support piers.
Unprocessed Field note material exists for this structure: N243
Survey number: HAER IA-72
Building/structure dates: 1883 Initial Construction
National Register of Historic Places NRIS Number: 98000488

date_range

Date

1933 - 1970
person

Contributors

Historic American Engineering Record, creator
King Iron Bridge & Manufacturing
King, Zenas
place

Location

create

Source

Library of Congress
copyright

Copyright info

No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html

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