Rating:
3 votes

55th Avenue Bridge

Photos 

Photo taken by Jason Smith in August 2011

Enlarge

BH Photo #211039

Map 

Facts 

Overview
Riveted Camelback Pratt through truss bridge over Middle River on 55th Avenue
Location
Warren County, Iowa
Status
Open to traffic
History
Built ca. 1950
Builder
- Iowa State Highway Commission of Ames, Iowa
Design
Riveted Camelback through truss with WV portal bracing
Dimensions
Length of largest span: 157.2 ft.
Total length: 244.1 ft.
Deck width: 18.7 ft.
Vertical clearance above deck: 13.0 ft.
Also called
Middle River Bridge
Approximate latitude, longitude
+41.38124, -93.70381   (decimal degrees)
41°22'52" N, 93°42'14" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/441150/4581318 (zone/easting/northing)
Quadrangle map:
Norwalk
Land survey
T. 76 N., R. 25 W., Sec. 14
Inventory numbers
IA 334730 (Iowa bridge number)
BH 14632 (Bridgehunter.com ID)
Inspection (as of 10/2014)
Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 36.9 (out of 100)
Average daily traffic (as of 2012)
70

Update Log 

  • October 3, 2014: New photos from Kevin Skow

Sources 

  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
  • Kevin Skow - weatherbum [at] hotmail [dot] com