Historic Bridges of the U.S.

Photos

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View Looking South, General Elevation

Photo taken by Historic American Engineering Record

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View Looking Northeast, 3/4 Elevation

Photo taken by Historic American Engineering Record

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View Looking South, Detail Of West Span

Photo taken by Historic American Engineering Record

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View Looking East, General View Of Concrete Guardrail And Decking

Photo taken by Historic American Engineering Record

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View Looking Northwest, 3/4 Elevation

Photo taken by Historic American Engineering Record

Overview: Concrete arch bridge over Clarks Fork on CR 307 in Fromberg
Location: Carbon County, Montana
Status: Open to traffic
History: Built 1914
Design: Three-span closed-spandrel arch
Dimensions: Length of largest span: 56.1 ft.
Total length: 219.2 ft.
Deck width: 15.4 ft.
Recognition: Posted to the National Register of Historic Places
Approximate latitude, longitude: +45.39194, -108.89500 (decimal degrees)
45°23'31" N, 108°53'42" W (degrees°minutes'seconds")
Approximate UTM coordinates: 12/664770/5028647 (zone/easting/northing)
USGS topographic map: Fromberg
Inventory number: BH 22984 (Bridgehunter.com ID)
Inspection (as of 11/2006): Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Critical (2 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 24.0 (out of 100)
Average daily traffic (as of 2004): 100