100th Street Bridge

Photos

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Photo taken by J.R. Manning in August 2007

BH Photo #109792

Overview: Pony truss bridge over Dowd Creek on 100th Street
Location: Marshall County, Iowa, and Hardin County, Iowa
Status: Open to traffic
History: Built 1916 by the Des Moines Bridge & Iron Co.; rehabilitated 1950
Builders: - Des Moines Bridge & Iron Co./Works of Des Moines, Iowa
- Iowa State Highway Commission of Ames, Iowa
Design: Warren pony truss
Dimensions: Length of largest span: 55.1 ft.
Total length: 57.1 ft.
Deck width: 17.1 ft.
Approximate latitude, longitude: +42.20919, -93.01048 (decimal degrees)
42°12'33" N, 93°00'38" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/499134/4673003 (zone/easting/northing)
Quadrangle map:: Union
Land survey: T. 85 N., R. 19 W., Sec. 1
Inventory numbers: IA 244200 (Iowa bridge number)
BH 14015 (Bridgehunter.com ID)
Inspection (as of 11/2015): Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 23.5 (out of 100)
Average daily traffic (as of 2013): 15