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West Nishnabotna River Bridge

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Map 

Facts 

Overview
Pony truss bridge over West Nishnabotna River on 170th Street
Location
Audubon County, Iowa
Status
Closed to all traffic
History
Built 1948
Design
Pony truss
Dimensions
Length of largest span: 59.1 ft.
Total length: 116.1 ft.
Deck width: 16.1 ft.
Approximate latitude, longitude
+41.76067, -95.04275   (decimal degrees)
41°45'38" N, 95°02'34" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/330187/4625220 (zone/easting/northing)
Land survey
T. 80 N., R. 36 W., Sec. 9
USGS topographic map
Manning SE
Inventory numbers
IA 68740 (Iowa bridge number)
BH 12867 (Bridgehunter.com ID)
Inspection (as of 12/2007)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 23.5 (out of 100)
Average daily traffic (as of 2004)
15

Update Log 

  • April 11, 2010: Updated by J.R. Manning: Updated Road Name

Sources