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Cottonville Bridge, County Road D-61 at Farmer's Creek, Maquoketa, Jackson County, IA
Summary
Significance: The Cottonville Bridge is among Iowa's earliest extant examples of welded bridge construction. It is a simply supported, single-span tied arch structure that combines elements that are both anachronistic and innovative. Its arched configuration resembles an updated version of the venerable bowstring arch-truss built widely on Iowa's roads in the 1870s and 1880s. Its extensive use of welded connections at a time in which welded technology was in its formative stages, however, marks the bridge as a sophisticated design exercise.
Survey number: HAER IA-31
Building/structure dates: ca. 1946 Initial Construction
Building/structure dates: 1991
Tags
Date
1946
Contributors
Historic American Engineering Record, creator
Bethlehem Steel Corporation
Location
Maquoketa (Iowa), 42.06891, -90.66569
Source
Library of Congress
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
