Every bridge in Sioux County, North Dakota

Name: Every bridge in Sioux County, North Dakota
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

22 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Sioux County, North Dakota, has 22 bridges in the 2025 National Bridge Inventory: 12 rated good, 9 fair, and 1 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
Irrsr Nd Hiway 24 over Beaver Holes Creek	1965	1,830	Fair
Irrsr Nd Hiway 24 over Porcupine Creek	1963	1,740	Fair
Irrsr Nd Hiway 24 over Battle Creek	1965	1,700	Fair
Irr Bia Rte 3 over Four Mile Creek Bridge	2010	1,000	Good
Irrsr Nd Hiway 24 over Four Mile Creek	1930	750	Fair
Irr Bia Rte 29 over One Mile Creek	1950	401	Poor
Irrsr Nd Highway 6 over Porcupine Creek	1987	270	Fair
Irrsr Nd Highway 6 over Creek	1948	250	Good
Irrsr Nd Highway 6 over Creek	1987	250	Good
Irrsr Nd Highway 6 over Creek	1949	250	Good
Irr Bia Rte 6 over Cannonball River	1999	197	Good
Irrsr Nd Hiway 24 over Creek	1948	190	Good
Irr Bia Rte 6 over Porcupine Creek	1969	173	Fair
Irrsr Nd Hiway 31 over Antelope Creek	1964	160	Good
Irrsr Nd Hiway 31 over Cedar Creek	1964	160	Good
94TH Street over Creek	1979	65	Fair
Irrsr County Hiway over Leaf on the Hill Creek	1992	65	Fair
65TH Ave SW over Ceder Creek	1966	45	Fair
Watauga Road over Cedar Creek	1964	45	Good
83RD Street over Battle Creek	2002	20	Good
Irrsr County Hiway over Porcupine Creek	1991	20	Good
27TH Avenue over Creek	1940	10	Good