Bridges in Niobrara County, Wyoming

34Total Bridges

12Good

21Fair

1Poor

Niobrara County, Wyoming has 34 bridges tracked in the National Bridge Inventory. Of these, 1 (2%) are rated in poor condition and 12 are rated good. The oldest bridge in Niobrara County is Ni Cnty RD 9 over Cheyenne River, built in 1920. The longest is US 85 over Cheyenne River at 419.9 feet.

Bridge	Condition	Length	Traffic	Year
Ni Cnty RD 9 over Cheyenne River	Poor	132.9 ft	3	1920
US 18 over Niobrara River	Fair	108.9 ft	2,942	1988
US 18 over Old Woman Creek	Fair	194.9 ft	2,150	1971
US 18 over Old Woman Creek	Fair	145.0 ft	2,150	1987
US 18 over Mule Creek	Fair	24.6 ft	2,150	1988
US 85 over Cheyenne River	Fair	419.9 ft	1,084	1990
US 85 over Robbers Roost Creek	Fair	21.7 ft	1,084	1992
US 20 over Niobrara River	Fair	55.1 ft	754	2003
US 20 over Van Tassell Creek	Fair	94.2 ft	538	1986
US 20 over Uprr	Fair	241.1 ft	529	1984
US 20 over S Fork Niobrara River	Fair	118.1 ft	529	1986
W Pershing Street over Niobrara River	Fair	33.5 ft	319	1991
Wyo 270 over Cherry Creek	Fair	125.0 ft	285	1995
Wyo 270 over Provost Draw	Fair	24.0 ft	191	2004
Wyo 270 over Old Woman Creek	Fair	149.9 ft	191	2007
Wyo 272 over Lance Creek	Fair	120.1 ft	42	1969
Ni Cnty RD 64 over South Indian Creek	Fair	89.9 ft	40	1958
Ni Cnty RD 11 over Black Creek	Fair	40.0 ft	33	1981
Ni Cnty RD 6 over Alkali Creek	Fair	118.1 ft	33	1997
Ni Cnty RD 14 over Lightning Creek	Fair	109.9 ft	29	1994
Ni Cnty RD 14 over Cow Creek	Fair	109.9 ft	29	1994
Ni Cnty RD 13 over Lance Creek	Fair	142.1 ft	17	1983
US 85 over Uprr	Good	69.9 ft	2,942	2016
US 18 over Stockpass	Good	29.9 ft	2,406	1970
US 85 over Bobcat Creek	Good	21.7 ft	1,084	1991
US 20 over Niobrara River	Good	140.1 ft	538	2019
Daley Street over Niobrara River	Good	21.3 ft	344	1986
Wyo 270 over Unnamed Draw	Good	25.9 ft	279	1956
Wyo 271 over Lance Creek	Good	214.9 ft	39	2003
Wyo 271 over Little Lightning Creek	Good	115.2 ft	39	2003
Ni Cnty RD 6 over Hungry Hollow	Good	40.0 ft	33	1983
Ni Cnty RD 11 over Lance Creek	Good	181.1 ft	33	2017
Ni Cnty RD 18 over Sage Creek	Good	128.0 ft	31	1997
Ni Cnty RD 50 over Lightning Creek	Good	55.1 ft	25	1994

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