Photos 

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Profile, Facing Southwest

Photo taken by Historic American Engineering Record

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3/4 View, Facing South

Photo taken by Historic American Engineering Record

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Southeast Portal, Facing Northwest

Photo taken by Historic American Engineering Record

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Northwest Portal, Facing Northwest

Photo taken by Historic American Engineering Record

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View Between Trusses, Facing Southeast

Photo taken by Historic American Engineering Record

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Detail Of Panels, Facing South

Photo taken by Historic American Engineering Record

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Detail Of Riveted Connection At Upper Chord, Facing South

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Detail Of Floor System At Pier, Facing Southeast

Photo taken by Historic American Engineering Record

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Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Lost three-span through truss bridge over Yellowstone River on Route 329
Location
Yellowstone County, Montana
Status
Replaced by new bridge
History
Built 1915; replaced 1991
Builders
- Central States Bridge Co.
- Ray M. Murray
- Security Bridge Co.
Design
Warren through truss
Dimensions
Length of largest span: 152 ft.
Total length: 495 ft.
Approximate latitude, longitude
+45.69333, -108.63944   (decimal degrees)
45°41'36" N, 108°38'22" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/683789/5062685 (zone/easting/northing)
USGS topographic map
Mossmain
Inventory number
BH 37027 (Bridgehunter.com ID)
Inspection (as of 07/2006)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Fair (5 out of 9)
Sufficiency rating: 88.9 (out of 100)
Average daily traffic (as of 2001)
100

Categories 

Built 1915 (698)
Built during 1910s (4,413)
Central States Bridge Co. (5)
HAER documented (370)
Lost (1,968)
Montana (277)
Ray M. Murray (1)
Replaced by new bridge (837)
Security Bridge Co. (7)
Span length 125-175 feet (2,044)
Through truss (5,551)
Total length 250-500 feet (2,191)
Truss (16,266)
Warren through truss (145)
Warren truss (913)
Yellowstone County, Montana (7)

Update Log 

Sources 

Comments 

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