Bridgehunter.com | 320th Street Bridge

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Photo taken by Bill Dunbar

Overview: Pony truss bridge over Skunk River on 320th Street
Location: Story County, Iowa
Status: Open to traffic
History: Built 1949
Design: Warren pony truss with all verticals
Dimensions: Length of largest span: 89.9 ft.
Total length: 184.1 ft.
Deck width: 16.1 ft.
Also called: Cambridge Bridge
Approximate latitude, longitude: +41.89189, -93.51641 (decimal degrees)
41°53'31" N, 93°30'59" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/457159/4637902 (zone/easting/northing)
Land survey: T. 82 N., R. 23 W., Sec. 27
USGS topographic map: Huxley
Inventory numbers: IA 314210 (Iowa bridge number)
BH 14438 (Bridgehunter.com ID)
Inspection (as of 02/2011): Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 44.0 (out of 100)
Average daily traffic (as of 2011): 110