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Overview, View To Southeast

Photo taken by Historic American Engineering Record

Overview: Deck truss bridge over Clark Fork on Old US 10 (CR 012)
Location: Mineral County, Montana
Status: Open to traffic
History: Built 1928; rehabilitated 1965
Design: Pratt deck truss
Dimensions: Length of largest span: 191.0 ft.
Total length: 423.9 ft.
Deck width: 24.0 ft.
Vertical clearance above deck: 15.2 ft.
Recognition: Posted to the National Register of Historic Places on January 4, 2010
Approximate latitude, longitude: +47.02020, -114.65700 (decimal degrees)
47°01'13" N, 114°39'25" W (degrees°minutes'seconds")
Approximate UTM coordinates: 11/678057/5210073 (zone/easting/northing)
USGS topographic map: Tarkio
Inventory numbers: NRHP 09001183 (National Register of Historic Places reference number)
BH 23100 (Bridgehunter.com ID)
Inspection (as of 04/2011): Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 30.8 (out of 100)
Average daily traffic (as of 2003): 100

HAER MT-122 - Scenic Bridge, Spanning Clark Fork at Old Highway 10, Tarkio vicinity, Mineral County, MT
Craig Philpott - cphilpott [at] puc [dot] edu