File:HAMILTON ABUTMENT. PHOTOGRAPHER- HANS MUESSIG - Keokuk and Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee County, IA HAER IOWA,56-KEOK,1-55.tif

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Summary[edit]

HAMILTON ABUTMENT. PHOTOGRAPHER- HANS MUESSIG - Keokuk and Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee County, IA
Photographer

Related names:

Modjeski, Ralph
Keokuk and Hamilton Bridge Company
Carnegie, Andrew
Title
HAMILTON ABUTMENT. PHOTOGRAPHER- HANS MUESSIG - Keokuk and Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee County, IA
Depicted place Iowa; Lee County; Keokuk
Date Documentation compiled after 1968
Dimensions 4 x 5 in.
Current location
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
Accession number
HAER IOWA,56-KEOK,1-55
Credit line
This file comes from the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER) or Historic American Landscapes Survey (HALS). These are programs of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

Notes
  • Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-deck steel superstructure was built in 1915-1916 on piers retained from an earlier (1869-1871) structure, to meet greater loading requirements from railroads that operated across the Mississippi at this point. The Keokuk & Hamilton Bridge Company was incorporated in 1868 to further railroad and commercial development in Keokuk and in Hancock County, Illinois. The firm's president until 1914 was Andrew Carnegie, who had interest in the railroad participating in the venture. The first Keokuk & Hamilton Bridge was built by Carnegie's Keystone Bridge Co. from designs by Thomas Curtis Clarke, later a founder of Clarke, Reeves & Co. (which is best known under its subsequent name, Phoenix Bridge Co.). This structure stood until 1915, when pressure from Keokuk businessmen and the threatened erection of a competing bridge forced the Keokuk & Hamilton Bridge Co. to reconstruct its span. The replacement structure remained in corporate ownership until January 1949, when it was turned over to the city of Keokuk. Although the city intended that there should be no tolls for vehicular traffic, the span remained "free" for only three years. Tolls were reimposed in 1952, in order to finance maintenance and also major repairs to the piers, which were rejacketed with reinforced concrete in 1951-1952.
  • Survey number: HAER IA-3
  • Building/structure dates: 1916 Initial Construction
  • Building/structure dates: 1952 Subsequent Work
  • Building/structure dates: 1956 Subsequent Work
  • Building/structure dates: 1957 Subsequent Work
Source https://www.loc.gov/pictures/item/ia0124.photos.068111p
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
Object location40° 23′ 49.99″ N, 91° 23′ 04.99″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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current13:59, 13 July 2014Thumbnail for version as of 13:59, 13 July 20144,993 × 3,972 (18.92 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 11 July 2014 (1001:1200)

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