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ECR Kooi Bridge

Coordinates: 44°54′33″N 107°5′13″W / 44.90917°N 107.08694°W / 44.90917; -107.08694
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ECR Kooi Bridge
The bridge in 1982
ECR Kooi Bridge is located in Wyoming
ECR Kooi Bridge
ECR Kooi Bridge is located in the United States
ECR Kooi Bridge
Nearest cityMonarch, Wyoming
Coordinates44°54′33″N 107°5′13″W / 44.90917°N 107.08694°W / 44.90917; -107.08694
Arealess than one acre
Built1913 (1913)
Built byGregg, Jack
Architectural stylePratt pony truss
MPSVehicular Truss and Arch Bridges in Wyoming TR
NRHP reference No.85000436[1]
Added to NRHPFebruary 22, 1985

The ECR Kooi Bridge is a bridge in Sheridan County, Wyoming, located 2.7 miles (4.3 km) west of the community of Monarch. The bridge carries Sheridan County Road CN3-93 across the Tongue River. Contractor Jack Gregg built the bridge in 1913. The single-span pin-connected Pratt pony truss bridge is 81.6 feet (24.9 m) long with an 80-foot (24 m) span; it is the longest bridge of its type still in use in the Wyoming state and county highway system. The bridge's roadway was constructed with wooden stringers and decking; its guardrails are also wooden. The pin-connected Pratt pony truss was a common type of truss bridge in Wyoming, and the Kooi Bridge was one of the earlier bridges to use the design.[2]

The bridge was added to the National Register of Historic Places in 1985.[1] It was one of 31 Wyoming bridges added for their significance in the history of Wyoming bridge construction.[2]

References

[edit]
  1. ^ a b "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  2. ^ a b Fraser, Clayton B. (May 24, 1982). "National Register of Historic Places Inventory - Nomination Form: Vehicular Truss and Arch Bridges in Wyoming". National Park Service. Retrieved April 24, 2013.