Historic Bridges
of the United States
340th Street Bridge
Harrison County
,
Iowa
Overview
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TopoZone
Terraserver USA
Facts
Overview
Lost through truss bridge over Willow River on 340th Street
Location
Harrison County
,
Iowa
Status
No longer exists
History
Built 1956; replaced 2005
Design
Through truss
Dimensions
Length of largest span: 105.0 ft.
Total length: 153.0 ft.
Deck width: 17.1 ft.
Vertical clearance above deck: 11.5 ft.
Approximate latitude, longitude
+41.86325, -95.72856
(decimal degrees)
41°51'48" N, 95°43'43" W
(degrees°minutes'seconds")
Approximate UTM coordinates
15/273534/4638193
(zone/easting/northing)
Land survey
T. 81 N., R. 42 W., Sec. 3
USGS topographic map
Dunlap SW
Inventory number
BH 13600
(Bridgehunter.com ID)
Categories
Built 1956
(131)
Built during 1950s
(1,610)
Harrison County, Iowa
(45)
Iowa
(2,178)
Owned by county
(14,360)
Span length 100-125 feet
(2,310)
Through truss
(5,560)
Total length 125-175 feet
(2,737)
Truss
(16,277)
Wooden deck
(5,164)
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