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Scenic Bridge

Mineral County, US

Scenic Bridge

The Scenic Bridge crossing Clark Fork River about 4 miles (6.4 km) east of Tarkio in Mineral County, Montana, was built in 1928. It is located at Milepost 0 on Old U.S. Route 10 West. The bridge has also been denoted 24MN304 and MDT No. L31012000+08. It was listed on the National Register of Histori

c Places in 2010. The bridge is a riveted Pratt deck truss bridge. It has three main spans upon reinforced concrete abutments and piers. The bridge is 421 feet (128 m) long in total, with four 19-foot (5.8 m) approach spans, two 77-foot (23 m) deck truss spans, and a 191-foot (58 m) deck truss main span. It is 25 feet (7.6 m) wide, supporting a 24-foot (7.3 m) 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.

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