Historic Bridges of the U.S.

Overview

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Photos

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Overview, View To Southeast

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Overview, South Side, View To North

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Overview, View To Southwest

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South Side, View To Northeast

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North Side, View To West-Southwest

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South Side, View To West-Northwest

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North Side With Pier, View To Southwest

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East Portal, View To West

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West Portal, View To East

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Detail, Bridge Deck With Underside Of Railroad Bridge (24mn164), View To South

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Map

Vicinity map

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Facts

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: 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.
Approximate latitude, longitude: +47.02167, -114.65833 (decimal degrees)
47°01'18" N, 114°39'30" W (degrees°minutes'seconds")
Approximate UTM coordinates: 11/677951/5210233 (zone/easting/northing)
USGS topographic map: Tarkio
Inventory number: BH 23100 (Bridgehunter.com ID)
Inspection (as of 08/2007): Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 28.6 (out of 100)
Average daily traffic (as of 2003): 100

Update Log

August 3, 2008: New photos from James Baughn

Sources

HAER MT-122 - Scenic Bridge, Spanning Clark Fork at Old Highway 10, Tarkio vicinity, Mineral County, MT
James Baughn - webmaster [at] bridgehunter [dot] com

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Scenic Bridge

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