Historic Bridges
of the United States
Elkader Keystone Bridge
Clayton County
,
Iowa
Overview
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Terraserver USA
Facts
Overview
Two-span stone arch bridge over Turkey River on Bridge Street in Elkader
Location
Clayton County
,
Iowa
Status
Open to traffic
History
Built 1889; rehabilitated 1973
Design
Stone arch
Dimensions
Length of largest span: 80.1 ft.
Total length: 189.0 ft.
Deck width: 27.9 ft.
Recognition
Posted to the National Register of Historic Places on November 7, 1976
Approximate latitude, longitude
+42.85486, -91.40404
(decimal degrees)
42°51'17" N, 91°24'15" W
(degrees°minutes'seconds")
Inventory numbers
NRHP 76000747
(National Register of Historic Places reference number)
BH 13180
(Bridgehunter.com ID)
Inspection
(as of 06/2004)
Deck condition rating:
Fair
(5 out of 9)
Superstructure condition rating:
Serious
(3 out of 9)
Substructure condition rating:
Serious
(3 out of 9)
Appraisal:
Structurally deficient
Sufficiency rating: 4.5
(out of 100)
Average daily traffic
(as of 1993)
4,870
Categories
19th Century
(1,704)
Arch
(7,542)
Built 1889
(60)
Built during 1880s
(477)
Clayton County, Iowa
(35)
Deck arch
(6,639)
Iowa
(2,120)
NR-listed
(1,472)
Open
(21,539)
Owned by city
(1,847)
Span length 75-100 feet
(3,238)
Stone arch
(1,348)
Structurally deficient
(10,771)
Total length 175-250 feet
(1,761)
Turkey River (Iowa)
(11)
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