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The Joliet Bridge, in
Carbon County, Montana Carbon County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 10,473. Its county seat is Red Lodge. Carbon County is part of the Billings, MT Metropolitan Statistical Area. History Carbon County ...
, near Joliet, is a Pratt through truss bridge built in 1901. 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 1986. It is a multiple-span road bridge. The main span is a pin-connected steel
Pratt truss A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units. The connected elements (typically straight) may be stressed from tension, compression, o ...
, about long, resting on concrete abutments and cylindrical piers. On the south end, there are approach spans made of wood stringers (horizontal timbers) supported by timber pile bents; these replaced an original
pony truss A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units. The connected elements (typically straight) may be stressed from tension, compression, or ...
approach span. The deck is made of wood bridge planks, covered with
asphalt Asphalt, also known as bitumen (, ), is a sticky, black, highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product, and is classed as a pitch. Before the 20th century, the term ...
. It was designed and built by
William S. Hewett William S. Hewett was a major bridge contractor in the Minneapolis area from the 1890s until well into the 20th century. His firm designed and built a number of bridges for the Twin City Rapid Transit Company when it was electrifying and expand ...
, a bridge builder based in Minneapolis, who was low bidder on the contract for the main bridge, at $4,500, and also for an approach span, at $750, which had to be added, perhaps because the original measurements or specifications were not adequate. The bridge carries Main Street road over Rock Creek, south of the town. With


See also

*
List of bridges documented by the Historic American Engineering Record in Montana __NOTOC__ This is a list of bridges documented by the Historic American Engineering Record in the U.S. state of Montana. Bridges References {{HAER list, structure=bridge *List *List Montana Montana () is a state in the Mountain W ...
*
List of bridges on the National Register of Historic Places in Montana This is a list of bridges and tunnels on the National Register of Historic Places in the U.S. state of Montana. References {{NRHP bridges Montana Bridges on the National Register of Historic Places Bridges on the National Register of Hist ...


References


External links

* Road bridges on the National Register of Historic Places in Montana Pratt truss bridges Historic American Engineering Record in Montana National Register of Historic Places in Carbon County, Montana Bridges completed in 1901 Bridges on the National Register of Historic Places in Montana {{Montana-NRHP-stub