Bridges in Sioux County, North Dakota

22Total Bridges

12Good

9Fair

1Poor

Sioux County, North Dakota has 22 bridges tracked in the National Bridge Inventory. Of these, 1 (4%) are rated in poor condition and 12 are rated good. The oldest bridge in Sioux County is Irrsr Nd Hiway 24 over Four Mile Creek, built in 1930. The longest is IRR BIA RTE 6 over Cannonball River at 299.9 feet.

Bridge	Condition	Length	Traffic	Year
IRR BIA RTE 29 over One Mile Creek	Poor	52.8 ft	401	1950
Irrsr Nd Hiway 24 over Beaver Holes Creek	Fair	41.0 ft	1,830	1965
Irrsr Nd Hiway 24 over Porcupine Creek	Fair	200.1 ft	1,740	1963
Irrsr Nd Hiway 24 over Battle Creek	Fair	25.9 ft	1,700	1965
Irrsr Nd Hiway 24 over Four Mile Creek	Fair	53.1 ft	750	1930
Irrsr Nd Highway 6 over Porcupine Creek	Fair	126.0 ft	270	1987
IRR BIA RTE 6 over Porcupine Creek	Fair	94.2 ft	173	1969
94th Street over Creek	Fair	75.1 ft	65	1979
Irrsr County Hiway over Leaf On The Hill Creek	Fair	76.1 ft	65	1992
65th AVE SW over Ceder Creek	Fair	190.0 ft	45	1966
IRR BIA RTE 3 over Four Mile Creek Bridge	Good	115.2 ft	1,000	2010
Irrsr Nd Highway 6 over Creek	Good	28.5 ft	250	1948
Irrsr Nd Highway 6 over Creek	Good	23.6 ft	250	1987
Irrsr Nd Highway 6 over Creek	Good	22.3 ft	250	1949
IRR BIA RTE 6 over Cannonball River	Good	299.9 ft	197	1999
Irrsr Nd Hiway 24 over Creek	Good	23.0 ft	190	1948
Irrsr Nd Hiway 31 over Antelope Creek	Good	25.9 ft	160	1964
Irrsr Nd Hiway 31 over Cedar Creek	Good	190.0 ft	160	1964
Watauga Road over Cedar Creek	Good	190.0 ft	45	1964
Irrsr County Hiway over Porcupine Creek	Good	96.1 ft	20	1991
83rd Street over Battle Creek	Good	38.1 ft	20	2002
27th Avenue over Creek	Good	38.1 ft	10	1940