Historic Bridges of the U.S. | Yellowstone River Bridge

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Overview

Photo taken by James McCray

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Western Portal

Photo taken by James McCray

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Overview: Through truss bridge over Yellowstone River on Frontage Road 115
Location: Stillwater County, Montana
Status: Open to traffic
History: Built 1931
Design: Through truss
Dimensions: Length of largest span: 160.1 ft.
Total length: 569.9 ft.
Deck width: 20.0 ft.
Vertical clearance above deck: 15.2 ft.
Approximate latitude, longitude: +45.68694, -109.43528 (decimal degrees)
45°41'13" N, 109°26'07" W (degrees°minutes'seconds")
Approximate UTM coordinates: 12/621841/5060456 (zone/easting/northing)
USGS topographic map: Springtime
Inventory number: BH 23184 (Bridgehunter.com ID)
Inspection (as of 03/2006): Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 36.2 (out of 100)
Average daily traffic (as of 2004): 100