The CQA Four Mile Bridge spans the
Big Horn River in
Hot Springs County, Wyoming
Hot Springs County is a county in the U.S. state of Wyoming. As of the 2020 United States Census, the population was 4,696, making it the second-least populous county in Wyoming. Its county seat is Thermopolis. The county is named for the hot sp ...
. The bridge was erected in 1927-28 by the Charles M. Smith Company and spans with a total length of . The rigid 7-panel
Pennsylvania through-truss was nominated for inclusion 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 artistic v ...
as one of forty bridges throughout Wyoming that collectively illustrate steel truss construction, a technique of bridge design that has become obsolete since the mid-twentieth century. The bridge rests on concrete piers and abutments and is approached by two Warren pony trusses.
The Four Mile Bridge was placed on the National Register of Historic Places in 1985.
See also
*
List of bridges documented by the Historic American Engineering Record in Wyoming
References
External links
* at the National Park Service's NRHP database
*
Four Mile Bridge at the Wyoming State Historic Preservation Office
Buildings and structures in Hot Springs County, Wyoming
Road bridges on the National Register of Historic Places in Wyoming
Transportation in Hot Springs County, Wyoming
Historic American Engineering Record in Wyoming
National Register of Historic Places in Hot Springs County, Wyoming
Steel bridges in the United States
Pennsylvania truss bridges in the United States
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