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Roundup Bridge

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Photos 

Photo taken by Historic American Engineering Record

View photos at Library of Congress

Map 

Facts 

Overview
Wooden through truss bridge over Musselshell River on CR 118
Location
Musselshell County, Montana
Status
Closed to all traffic and abandoned
History
Built 1893-94 by the Hewett Bridge Co.; relocated in 1911
Builder
- William S. Hewett & Co. of Minneapolis, Minnesota
Design
Camelback through truss
Dimensions
Length of largest span: 149.0 ft.
Total length: 153.9 ft.
Deck width: 15.1 ft.
Approximate latitude, longitude
+46.49142, -108.28737   (decimal degrees)
46°29'29" N, 108°17'15" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/708174/5152225 (zone/easting/northing)
Quadrangle map:
Gage NE
Inventory number
BH 23113 (Bridgehunter.com ID)
Inspection (as of 08/1999)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 16.1 (out of 100)
Average daily traffic (as of 1995)
100

Update Log 

  • August 9, 2017: Updated by Christopher Finigan: Added category "Pin-connected"
  • February 23, 2014: New photos from Jack Schmidt
  • July 22, 2008: New photos from James Baughn

Sources 

  • HAER MT-25 - Roundup Bridge, Spanning Musselshell River, Roundup vicinity, Musselshell County, MT
  • James Baughn - webmaster [at] bridgehunter [dot] com
  • Jack Schmidt - jjturtle [at] earthlink [dot] net