Rolette County Bridge Report Card
Rolette County scores 97 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Rolette County, North Dakota
Rolette County has 18 bridges in the National Bridge Inventory, with 0 rated poor and 0 rated scour-critical. Its poor-condition share of 0.0% is at or below the 11.1% statewide average.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Rolette County a Bridge Condition Exposure Score of 97/100 (A). The county has 18 bridges in the National Bridge Inventory, including 0 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 0 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 0.0% | 0.0 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 54 years vs 48 nationally | 2.6 |
| Traffic-data completeness | 5 | 6,620 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 0.0% |
| State Poor-Condition Share | 11.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 54 years |
| Poor-Condition Traffic Exposure | 0 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Rolette County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| US Highway 5 over Willow Creek | High traffic | Fair | 1,350 | 1947 |
| Nd Highway 3 over Ox Creek | High traffic | Fair | 1,050 | 1986 |
| Nd Highway 3 over Mud Creek | High traffic | Good | 940 | 1992 |
| Nd Highway 3 over Wolf Creek | High traffic | Good | 930 | 1992 |
| Nd Highway 30 over Creek | High traffic | Good | 830 | 1967 |
| Nd Highway 66 over Ox Creek | High traffic | Good | 580 | 1963 |
| Nd Highway 66 over Wolf Creek | High traffic | Good | 510 | 1961 |
| County Highway over Ox Creek | High traffic | Good | 100 | 2006 |
| County Highway over Willow Creek | High traffic | Good | 80 | 2001 |
| County Highway over Ox Creek | High traffic | Good | 65 | 1970 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.