ECR Kooi Bridge


ECR Kooi Bridge
U.S. National Register of Historic Places
The bridge in 1982
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Nearest city	Monarch, Wyoming
Coordinates	44°54′33″N 107°5′13″W / 44.90917°N 107.08694°W / 44.90917; -107.08694Coordinates: 44°54′33″N 107°5′13″W / 44.90917°N 107.08694°W / 44.90917; -107.08694
Area	less than one acre
Built	1913 (1913)
Built by	Gregg, Jack
Architectural style	Pratt pony truss
MPS	Vehicular Truss and Arch Bridges in Wyoming TR
NRHP Reference #	85000436^[1]
Added to NRHP	February 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

1 2 National Park Service (2010-07-09). "National Register Information System". National Register of Historic Places. National Park Service.
1 2 Fraser, Clayton B. (May 24, 1982). "National Register of Historic Places Inventory - Nomination Form: Vehicular Truss and Arch Bridges in Wyoming" (PDF). National Park Service. Retrieved April 24, 2013.

U.S. National Register of Historic Places

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