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Knoll Ridge Trail Bridge

Photos 

Overview

Photo taken by James Baughn in August 2013

Enlarge

BH Photo #268237

Facts 

Overview
Through truss bridge over Middle River on Knoll Ridge Trail
Location
Madison County, Iowa
Status
Open to traffic
History
Built 1948
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: 208.0 ft.
Deck width: 16.1 ft.
Vertical clearance above deck: 13.6 ft.
Approximate latitude, longitude
+41.29886, -94.03285   (decimal degrees)
41°17'56" N, 94°01'58" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/413528/4572448 (zone/easting/northing)
Quadrangle map:
Winterset
Land survey
T. 75 N., R. 28 W., Sec. 13
Average daily traffic (as of 2016)
45
Inventory numbers
IA 233210 (Iowa bridge number)
BH 13958 (Bridgehunter.com ID)
Inspection report (as of September 2017)
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: 28.1 (out of 100)
View more at BridgeReports.com

Update Log 

  • April 1, 2015: Updated by Dave King: Added categories "M-frame portal", "Wooden deck"
  • October 11, 2013: New photos from James Baughn