Historic Bridges
of the United States
Backbone Street Bridge
Delaware County
,
Iowa
Overview
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TopoZone
Terraserver USA
Facts
Overview
Arch bridge over an unnamed creek on Backbone Street
Location
Delaware County
,
Iowa
Status
Open to traffic
History
Built 1935
Design
Arch
Dimensions
Length of largest span: 25.9 ft.
Total length: 31.2 ft.
Deck width: 20.0 ft.
Approximate latitude, longitude
+42.62145, -91.55694
(decimal degrees)
42°37'17" N, 91°33'25" W
(degrees°minutes'seconds")
Inventory numbers
IA 699020
(Iowa bridge number)
BH 13379
(Bridgehunter.com ID)
Inspection
(as of 05/2006)
Sufficiency rating: 90.0
(out of 100)
Categories
Arch
(7,574)
Built 1935
(1,170)
Built during 1930s
(5,169)
Delaware County, Iowa
(17)
Iowa
(2,131)
Open
(21,688)
Owned by state
(6,577)
Span length 25-50 feet
(6,082)
Total length 25-50 feet
(5,282)
Comments
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