Rating:
1 vote

St. Mary River Bridge

Glacier County, Montana

Photos 

View From North River Bank Looking East

Photo taken by Historic American Engineering Record

View photos at Library of Congress

BH Photo #119485

Map 

Street View 

Facts 

Overview
Three-span concrete arch bridge over St. Mary River on Going-To-The-Sun Road
Location
Glacier County, Montana
Status
Open to traffic
History
Built 1934
Design
Closed-spandrel arch
Dimensions
Length of largest span: 52.5 ft.
Total length: 140.1 ft.
Deck width: 24.0 ft.
Approximate latitude, longitude
+48.74944, -113.44417   (decimal degrees)
48°44'58" N, 113°26'39" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/320339/5402485 (zone/easting/northing)
Quadrangle map:
Saint Mary
Average daily traffic (as of 2017)
1,230
Inventory numbers
MT 1430027P0000000 (Montana bridge inspection record number)
BH 37039 (Bridgehunter.com ID)
Inspection report (as of October 2017)
Overall condition: Fair
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 63.1 (out of 100)
View more at BridgeReports.com

Categories 

Arch (12,942)
Built 1934 (851)
Built during 1930s (12,361)
Closed-spandrel arch (4,365)
Deck arch (12,153)
Glacier County, Montana (19)
Going-to-the-Sun Road (4)
 HAER documented (1,138)
Have street view (30,595)
Montana (852)
Open (41,564)
Skewed (5,118)
Span length 50-75 feet (10,710)
Total length 125-175 feet (6,504)

Update Log 

  • January 9, 2020: New photo from Geoff Hubbs
  • April 20, 2010: New Street View added by J.P.
  • August 2, 2008: Added by James Baughn

Sources 

  • HAER MT-84 - St. Mary River Bridge, Spanning St. Mary River at Going-to-the-Sun Road, West Glacier, Flathead County, MT
  • James Baughn - webmaster [at] bridgehunter [dot] com
  • J.P. - wildcatjon2000 [at] gmail [dot] com
  • Geoff Hubbs

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