The Scenic Bridge crossing
Clark Fork River
The Clark Fork, or the Clark Fork of the Columbia River, is a river in the U.S. states of Montana and Idaho, approximately long. The largest river by volume in Montana, it drains an extensive region of the Rocky Mountains in western Montana and ...
about east of
Tarkio in
Mineral County, Montana, was built in 1928. It is located at Milepost 0 on Old
U.S. Route 10
U.S. Route 10 or U.S. Highway 10 (US 10) is an east–west United States highway located in the Midwest and Great Lakes regions of the United States. Unlike most U.S. routes with "0" as the last digit of its route number, US 10 ...
West. The bridge has also been denoted 24MN304 and MDT No. L31012000+08.
[ It was listed on the ]National Register of Historic Places
The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artist ...
in 2010.[
The bridge is a riveted Pratt deck truss bridge constructed in 1928. It has three main spans upon reinforced concrete abutments and piers. The bridge is long in total, with four approach spans, two deck truss spans, and a deck truss main span. It is wide, supporting a roadway.]
This Pratt deck truss design is visually pleasing and rare. It was chosen by state staff for relatively rare circumstances during 1928 to 1932, after which a version of a Warren truss design was used.[
]
See also
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References
External links
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Road bridges on the National Register of Historic Places in Montana
Bridges completed in 1928
Steel bridges in the United States
Pratt truss bridges in the United States
Historic American Engineering Record in Montana
National Register of Historic Places in Mineral County, Montana
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