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Black Hawk Bridge, Spanning Mississippi River at State Highway 9, Lansing, Allamakee County, IA
Summary
Significance: This bridge was the only highway bridge over the Mississippi River in the northeast Iowa area at the time of its construction and has played a significant role in the development of that region. The Black Hawk Bridge is one of only five extant long-span cantilevered trusses in Iowa.
Unprocessed Field note material exists for this structure: N215
Survey number: HAER IA-43
Building/structure dates: 1931 Initial Construction
Tags
Date
1931 - 1980
Contributors
Historic American Engineering Record, creator
Inland Steel Company
McClintic-Marshall Company
Stone, Melvin B
Location
Lansing Valley Mobile City, 43.35757, -91.31145
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
