CQA Four Mile Bridge
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CQA Four Mile Bridge | |
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| Nearest city | Thermopolis, Wyoming |
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| Coordinates | 43°36′13″N 108°11′48″W / 43.60361°N 108.19667°W |
| Built | 1927 |
| Built by | Charles M. Smith Company |
| Architectural style | Pennsylvania through truss |
| MPS | Vehicular Truss and Arch Bridges in Wyoming TR |
| NRHP reference No. | 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]
