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

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Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey

11 b&w photos
12 data pages
1 photo caption pages

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TITLE:
Centennial Bridge, Spanning Mississippi River at U.S. Highway 61, Davenport, Scott County, IA

CALL NUMBER:
HAER IOWA,82-DAVPO,8-

REPRODUCTION NUMBER:
[See Call Number]

MEDIUM:
Photo(s): 11 (4 x 5 in.)
Data Page(s): 11 plus cover page
Photo Caption Page(s): 1

DATE:
Documentation compiled after 1968.

CREATOR:
Historic American Engineering Record, creator

NOTE:
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.

SUBJECTS:
IOWA--Scott County--Davenport

COLLECTION:
Historic American Engineering Record (Library of Congress)

REPOSITORY:
Library of Congress, Prints and Photograph Division, Washington, D.C. 20540 USA

DIGID:
http://hdl.loc.gov/loc.pnp/hhh.ia0449

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

CONTROL #:
IA0449

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