Photos 

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Pratt And Pennsylvania Trusses - View To The West

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Three Quarters View Of Pratt And Pennsylvania Trusses - View To The Northwest

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Pratt Through Truss, Portal And Timber Deck - View To The North

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Pratt Through Truss, Timber Decking And Guardrail View To The North

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Truss And Pier Detail - View To The Northeast

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Stringer And Floor Beam Detail - View To The North

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Pennsylvania Through Truss, Pier And Shoe Detail

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Pratt Through Truss, Upper Chord And Pin Connection Detail

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Pratt Through Truss, Portal Bracing And Pin Connection Detail

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Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Through truss bridge over Yellowstone River on Route 563
Location
Park County, Montana
Status
Unknown status
History
Built 1908; south span replaced 1916; bypassed by new bridge in 1981
Builder
- Minneapolis Steel & Machinery Co.
Design
North span: Pin-connected, 12-panel Pennsylvania through truss, 234 ft. (built 1908)
South span: Pin-connected, 5-panel Pratt through truss, 108 ft. (built 1916)
Dimensions
Length of largest span: 234 ft.
Total length: 342 ft.
Approximate latitude, longitude
+45.74194, -110.23306   (decimal degrees)
45°44'31" N, 110°13'59" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/559661/5065662 (zone/easting/northing)
USGS topographic map
Springdale
Inventory number
BH 37034 (Bridgehunter.com ID)

Categories 

12-panel truss (13)
Built 1908 (256)
Built during 1900s (2,520)
HAER documented (389)
Minneapolis Steel & Machinery Co. (3)
Montana (277)
Park County, Montana (13)
Pennsylvania truss (129)
Pin-connected (513)
Span length 175-250 feet (1,039)
Through truss (5,561)
Total length 250-500 feet (2,194)
Truss (16,278)
Unknown status (680)

Update Log 

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