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Middle River Bridge

Photos 

Looking Northeast

Photo taken by Daniel Barnes in November 2017

Enlarge

BH Photo #409112

Map 

Facts 

Overview
Through truss bridge over Middle River on 320th Street
Location
Adair County, Iowa
Status
Open to traffic
History
Built ca. 1920; rehabilitated 1993
Builder
- Iowa State Highway Commission of Ames, Iowa
Design
Riveted, 7-panel Pratt through truss
Dimensions
Length of largest span: 122.1 ft.
Total length: 149.9 ft.
Deck width: 16.1 ft.
Vertical clearance above deck: 10.4 ft.
Approximate latitude, longitude
+41.18664, -94.61024   (decimal degrees)
41°11'12" N, 94°36'37" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/364956/4560725 (zone/easting/northing)
Quadrangle map:
Nevinville
Land survey
T. 74 N., R. 33 W., Sec. 26
Average daily traffic (as of 2012)
30
Inventory numbers
IA 55460 (Iowa bridge number)
BH 12735 (Bridgehunter.com ID)
Inspection report (as of June 2016)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 48.7 (out of 100)
View more at BridgeReports.com

Update Log 

  • July 30, 2019: New photos from Lee Smith
  • November 2, 2017: New photos from Daniel Barnes
  • April 3, 2010: Updated by J.R. Manning: Updated Road Name

Sources 

  • J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
  • Lee Smith - ljsmith_32 [at] hotmail [dot] com
  • Daniel Barnes