Home > Iowa > Davenport > Centennial Bridge, Spanning Mississippi River at U.S. Highway 61, Davenport, Scott County, IA
B&W Photos
 HB417987 Elevation From West
|  HB417988 Elevation From West
|  HB417989 Elevation, Two Middle Spans, From West
|  HB417990 3/4 View From Southwest
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 HB417991 3/4 View From Deck, From Southeast
|  HB417992 Construction Details Of Arch, From Deck
|  HB417993 Center Toll Booth, From Southeast
|  HB417994 Underside, From North
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 HB417995 Underside, 3/4 View At South End
|  HB417996 Highway Approach, Pylons, From South
|  HB417997 Builders Plate At South End
|
Data Pages











Photo Caption Pages
Item Title
LocationSpanning 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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