Photos 

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View Of South Portal

Photo taken by Historic American Engineering Record

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3/4 View Of Pratt Through Truss, Looking Northwest

Photo taken by Historic American Engineering Record

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View Of Concrete Deck, Verticals And Railing, Looking South

Photo taken by Historic American Engineering Record

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View Of Substructure, Looking South

Photo taken by Historic American Engineering Record

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View Of Concrete Pier

Photo taken by Historic American Engineering Record

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View Of Top Chord, Verticals, Sway Bracing And Strut

Photo taken by Historic American Engineering Record

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Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Lost through truss bridge over Musselshell River on CR 201
Location
Golden Valley County, Montana
Status
Replaced by new bridge
History
Built 1911 by the Security Bridge Co.; replaced 1983
Builder
- Security Bridge Co.
Design
Pin-connected, 6-panel Pratt through truss
Dimensions
Length of largest span: 98 ft.
Total length: 157 ft.
Approximate latitude, longitude
+46.30667, -109.38500   (decimal degrees)
46°18'24" N, 109°23'06" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/624359/5129388 (zone/easting/northing)
USGS topographic map
Deadman Basin Reservoir
Inventory number
BH 37037 (Bridgehunter.com ID)
Inspection (as of 10/2006)
Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Sufficiency rating: 97.8 (out of 100)
Average daily traffic (as of 2003)
100

Categories 

6-panel truss (124)
Built 1911 (302)
Built during 1910s (4,412)
Golden Valley County, Montana (3)
HAER documented (365)
Lost (1,955)
Montana (277)
Pin-connected (509)
Pratt through truss (974)
Pratt truss (1,663)
Replaced by new bridge (831)
Security Bridge Co. (7)
Span length 75-100 feet (3,316)
Through truss (5,544)
Total length 125-175 feet (2,735)
Truss (16,258)

Update Log 

Sources 

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