Bridgehunter.com | Fort Benton Bridge

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Bridge in 2004. Missouri River Mile 1.

Photo taken by Mark Frazier in October 2004

Overview: Completed by the Benton Bridge Co. as a toll bridge to connect Judith River Basin trade with the Great Northern RR and Missouri River shipping. Chouteau Co. purchased the bridge in 1896. Vehicle traffic was closed in 1963.
Location: Fort Benton, Chouteau County, Montana
Status: Open to pedestrians
History: Built in 1888 by Benton Bridge Co. as toll bridge. Chouteau County purchased 1896. The swing span was lost to flood 1908, and replaced with fixed span in 1921. Closed to traffic in 1963.
Builders: - Milwaukee Bridge & Iron Works of Milwaukee, Wisconsin
- Ryane & Henry
Design: (Right descending bank to left): 75-foot Pratt through truss. 3, 175-foot Baltimore through trusses, 225-foot Pratt truss swing span (replaced with Parker through truss).
Dimensions: Length of largest span: 225.0 ft.
Total length: 825.0 ft.
Recognition: Posted to the National Register of Historic Places on August 6, 1980
Also called: Old Bridge
Approximate latitude, longitude: +47.81648, -110.66601 (decimal degrees)
47°48'59" N, 110°39'58" W (degrees°minutes'seconds")
Approximate UTM coordinates: 12/525002/5295957 (zone/easting/northing)
Land survey: T. 24 N., R. 8 E., Sec. 23
Elevation: 2632 ft. above sea level
USGS topographic map: Fort Benton
Inventory numbers: NRHP 80002406 (National Register of Historic Places reference number)
BH 39920 (Bridgehunter.com ID)

Mark Frazier - mfrazier [at] kc [dot] rr [dot] com
J.P. - wildcatjon2000 [at] gmail [dot] com
HAER MT-9 - Fort Benton Bridge, Spanning Missouri River, Fort Benton, Chouteau, MT