Rating:
1 vote

305th Street Bridge

Map 

Description 

This, reportedly by locals, was one of several Marsh Arch Bridges lost in the 1990s.

Facts 

Overview
Lost rainbow arch bridge over Beaver Creek on 305th Street
Location
Boone County, Iowa
Status
Replaced by new bridge
History
Built 1919; replaced 1997
Design
Concrete through arch
Dimensions
Length of largest span: 85.0 ft.
Total length: 87.9 ft.
Deck width: 17.1 ft.
Approximate latitude, longitude
+41.91405, -94.10422   (decimal degrees)
41°54'51" N, 94°06'15" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/408427/4640822 (zone/easting/northing)
Quadrangle map:
Berkley
Land survey
T. 82 N., R. 28 W., Sec. 15
Inventory numbers
IA 77240 (Iowa bridge number)
BH 40587 (Bridgehunter.com ID)
Inspection (as of 03/1990)
Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 31.6 (out of 100)
Average daily traffic (as of 1986)
40

Update Log 

  • February 19, 2010: Updated by J.R. Manning: Added GPS coordinates and added bridge data
  • March 1, 2009: Added by James Baughn

Sources 

  • J.R. Manning - thekitchenguy [at] sbcglobal [dot] net