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Nishnabotna River Bridge

Cass County, Iowa

Map 

Facts 

Overview
Through truss bridge over Nishnabotna River on Nishna Road
Location
Cass County, Iowa
Status
Open to traffic
History
Built 1959
Design
Pratt through truss with riveted connections
Dimensions
Length of largest span: 120.1 ft.
Total length: 234.9 ft.
Deck width: 20.0 ft.
Vertical clearance above deck: 11.1 ft.
Approximate latitude, longitude
+41.37520, -95.06630   (decimal degrees)
41°22'31" N, 95°03'59" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/327205/4582468 (zone/easting/northing)
Quadrangle map:
Atlantic
Land survey
T. 76 N., R. 37 W., Sec. 23
Average daily traffic (as of 2012)
45
Inventory numbers
IA 99990 (Iowa bridge number)
BH 13032 (Bridgehunter.com ID)
Inspection report (as of March 2018)
Overall condition: Poor
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Poor (4 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 36.3 (out of 100)
View more at BridgeReports.com

Categories 

Built 1959 (327)
Built during 1950s (3,844)
Cass County, Iowa (60)
Iowa (6,497)
Nishnabotna River (72)
Open (39,882)
Owned by county (20,784)
 Pratt through truss (5,389)
Pratt truss (9,296)
Span length 100-125 feet (4,394)
Structurally deficient (14,204)
Through truss (15,059)
Total length 175-250 feet (4,265)
Truss (32,780)

Update Log 

  • February 22, 2012: Updated by Jason Smith: This bridge is a Pratt through truss bridge
  • April 28, 2010: Updated by J.R. Manning: Added Road Name

Sources 

  • J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com

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