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York Bridge

Photos 

General View, Southwest Side

Photo taken by Historic American Engineering Record

View photos at Library of Congress

BH Photo #119447

Map 

Facts 

Overview
Lost three-span through truss bridge over Missouri River on Route 280
Location
Lewis and Clark County, Montana
Status
Replaced by a new bridge
History
Built 1906 by the Minneapolis Steel & Machinery Co.; replaced 1982
Builder
- Minneapolis Steel & Machinery Co. of Minneapolis, Minnesota
Design
Three pin-connected, 10-panel Pennsylvania through trusses
Dimensions
Length of largest span: 180.0 ft.
Total length: 544.0 ft.
Deck width: 16.0 ft.
Approximate latitude, longitude
+46.71444, -111.80389   (decimal degrees)
46°42'52" N, 111°48'14" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/438559/5173745 (zone/easting/northing)
Quadrangle map:
Hauser Lake
Average daily traffic (as of 2016)
479
Inventory number
BH 37036 (Bridgehunter.com ID)
Inspection report (as of October 2017)
Overall condition: Fair
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 89.5 (out of 100)
View more at BridgeReports.com

Update Log 

  • August 2, 2008: Added by James Baughn

Sources 

  • HAER MT-2 - York Bridge, Federal Aid Secondary Route 280, Helena vicinity, Lewis and Clark County, MT