Eads Bridge, Spanning Mississippi River at Washington Street, Saint Louis, St. Louis City County, MO

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

127 b&w photos
37 data pages
9 photo caption pages
1 color transparencies

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TITLE:
Eads Bridge, Spanning Mississippi River at Washington Street, Saint Louis, St. Louis City County, MO

CALL NUMBER:
HAER MO,96-SALU,77-

REPRODUCTION NUMBER:
[See Call Number]

MEDIUM:
Photo(s): 127 (4 x 5 and 4 x 5 in.)
Data Page(s): 36 plus cover page
Photo Caption Page(s): 9
Color Transparencies: 1

DATE:
Documentation compiled after 1968.

CREATOR:
Historic American Engineering Record, creator

NOTE:
Survey number HAER MO-12

Unprocessed field note material exists for this structure (N807).

Building/structure dates: 1874 initial construction

See HABS No. MO-1190 for additional documentation.

National Register of Historic Places NRIS Number: 66000946

Part of building/structure is in East Saint Louis, St. Clair County, IL.

Significance: This National Historic Landmark is significant as the first bridge and one of the first structures of any kind to make extensive use of steel. The Eads Bridge was one of the first bridges in the United States employing pneumatic caissons, among the deepest submarine construction work ever, employing the largest caissons then accomplished anywhere. It was the first bridge to be built entirely using cantilever construction methods, avoiding the need for falsework; and it was the first bridge to use hollow tubular chord members. Eads Bridge was also the first bridge designed so that any part could be easily removed for repair or replacement. With three spans over 500 feet long, some 200 feet longer than any built previously, its construction was a significant engineering feat. The National Historic Landmark boundary extends between the two roadway touchdown points.

SUBJECTS:
MISSOURI--St. Louis City County--Saint Louis
civil engineering
steel arch bridges
war (Civil War)

OTHER TITLE:
St. Louis Bridge
Illinois & St. Louis Bridge

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.mo0361

CONTENTS:
Photograph caption(s):
1. GENERAL VIEW OF BRIDGE

CONTROL #:
MO0361

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