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Home > Iowa > Davenport > Centennial Bridge, Spanning Mississippi River at U.S. Highway 61, Davenport, Scott County, IA



B&W Photos
Elevation From West
HB417987
Elevation From West
Elevation From West
HB417988
Elevation From West
Elevation, Two Middle Spans, From West
HB417989
Elevation, Two Middle Spans, From West
3/4 View From Southwest
HB417990
3/4 View From Southwest
3/4 View From Deck, From Southeast
HB417991
3/4 View From Deck, From Southeast
Construction Details Of Arch, From Deck
HB417992
Construction Details Of Arch, From Deck
Center Toll Booth, From Southeast
HB417993
Center Toll Booth, From Southeast
Underside, From North
HB417994
Underside, From North
Underside, 3/4 View At South End
HB417995
Underside, 3/4 View At South End
Highway Approach, Pylons, From South
HB417996
Highway Approach, Pylons, From South
Builders Plate At South End
HB417997
Builders Plate At South End


Data Pages


Photo Caption Pages


Item Title


Location
Spanning Mississippi River at U.S. Highway 61, Davenport, IA

Find maps of Davenport, IA


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER IA-73
Unprocessed field note material exists for this structure (N244).
Building/structure dates: 1940 initial construction
Part of building/structure is in Rock Island vicinity, Rock Island County, IL.
Significance: This bridge is a major river span and was the first tied-arch span across the Mississippi River. The bridge was fabricated, and the superstructure built, by American Bridge Company, New York, one of the largest bridge companies in American history. The bridge's designer, Ned L. Ashton, was one of Iowa's most influential engineers.

Related Names
American Bridge Company
Ashton, Edwards
Crouse & Sanders
McCarthy Improvement Company


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. ELEVATION FROM WEST
2. ELEVATION FROM WEST
3. ELEVATION, TWO MIDDLE SPANS, FROM WEST
4. 3/4 VIEW FROM SOUTHWEST
5. 3/4 VIEW FROM DECK, FROM SOUTHEAST
6. CONSTRUCTION DETAILS OF ARCH, FROM DECK
7. CENTER TOLL BOOTH, FROM SOUTHEAST
8. UNDERSIDE, FROM NORTH
9. UNDERSIDE, 3/4 VIEW AT SOUTH END
10. HIGHWAY APPROACH, PYLONS, FROM SOUTH
11. BUILDERS PLATE AT SOUTH END


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