Rating:
2 votes

320th Street Bridge

Photos 

320th Street Bridge

View from the west end looking east.

Photo taken by Dave King; Taken July 14, 2013

Enlarge

BH Photo #259789

Map 

Facts 

Overview
Pony truss bridge over West Branch Wapsinonoc Creek on 320th Street
Location
Cedar County, Iowa
Status
Open to traffic
History
Built 1932; rehabilitated 1955
Builder
- Iowa State Highway Commission of Ames, Iowa (Design)
Design
Warren pony truss with all verticals
Dimensions
Length of largest span: 49.9 ft.
Total length: 53.2 ft.
Deck width: 17.7 ft.
Approximate latitude, longitude
+41.62726, -91.32558   (decimal degrees)
41°37'38" N, 91°19'32" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/639480/4609746 (zone/easting/northing)
Quadrangle map:
West Branch
Land survey
T. 79 N., R. 4 W., Sec. 28
Inventory numbers
IA 102270 (Iowa bridge number)
BH 13072 (Bridgehunter.com ID)
Inspection (as of 06/2015)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 30.9 (out of 100)
Average daily traffic (as of 2010)
50

Update Log 

  • July 15, 2013: New photos from Dave King
  • April 30, 2010: Updated by J.R. Manning: Added Creek Name

Sources 

  • J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
  • Dave King - DKinghawkfan [at] hotmail [dot] com