Fort Benton Bridge

Fort Benton Bridge spans the Missouri River at the town of Fort Benton, Montana. It was built in 1888. It has also been known as Old Bridge and was listed on the National Register of Historic Places in 1980.[1]

Fort Benton Bridge
LocationSpans Missouri River, Fort Benton, Montana
Coordinates47°49′2″N 110°39′38″W
Arealess than one acre
Built1888
Built byMilwaukee Bridge & Iron Works; Ryane & Henry
NRHP reference No.80002406[1]
Added to NRHPAugust 6, 1980

It has five pin-connected truss spans. The three center spans are Baltimore through trusses each 175 feet (53 m) long. The longer span on the Fort Benton bank is a 225 feet (69 m)-long Camelback through truss bridge built after a 1908 flood destroyed a cantilevered swing span and its central pier. The shortest span is a Pratt through truss Pratt truss which is 75 feet (23 m) long, on the far side from Fort Benton.[2]

References
  1. "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  2. John G. Lepley (April 1, 1980). "National Register of Historic Places Inventory/Nomination: Fort Benton Bridge / Old Bridge". National Park Service. Retrieved August 21, 2017. With four photos from 1980.


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