CQA Four Mile Bridge

CQA Four Mile Bridge
Nearest city Thermopolis, Wyoming
Coordinates 43°36′13″N 108°11′48″W / 43.60361°N 108.19667°W / 43.60361; -108.19667Coordinates: 43°36′13″N 108°11′48″W / 43.60361°N 108.19667°W / 43.60361; -108.19667
Built 1927
Architect Smith,Charles M.
Architectural style Pennsylvania through truss
MPS Vehicular Truss and Arch Bridges in Wyoming TR
NRHP Reference # 85000423
Added to NRHP February 22, 1985[1]

The CQA Four Mile Bridge spans the Big Horn River in Hot Springs County, Wyoming. The bridge was erected in 1927-28 by the Charles M. Smith Company and spans 175 feet (53 m) with a total length of 295 feet (90 m). The rigid 7-panel Pennsylvania through-truss was nominated for inclusion on the National Register of Historic Places 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.[2]

The Four Mile Bridge was placed on the National Register of Historic Places in 1985.[1]

References

  1. 1 2 National Park Service (2009-03-13). "National Register Information System". National Register of Historic Places. National Park Service.
  2. Fraser, Clayton B. (May 24, 1982). "National Register of Historic Places Inventory - Nomination Form: CQA Four Mile Bridge" (PDF). National Park Service. p. 12. Retrieved 2009-08-03.

External links


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