Burleigh County Bridge Report Card
Burleigh County scores 86 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Burleigh County, North Dakota
Burleigh County has 113 bridges in the National Bridge Inventory, with 3 rated poor and 5 rated scour-critical. Its poor-condition share of 2.7% is at or below the 11.1% statewide average. Poor-condition bridges carry about 588 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Burleigh County a Bridge Condition Exposure Score of 86/100 (B). The county has 113 bridges in the National Bridge Inventory, including 3 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 588 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 | 2.7% | 5.3 |
| Poor-condition traffic exposure | 25 | 0.2% of measured traffic | 0.2 |
| Scour-critical bridge share | 20 | 4.4% | 8.8 |
| Average age vs national baseline | 10 | 46 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 254,909 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 | 2.7% |
| State Poor-Condition Share | 11.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 4.4% |
| Average Bridge Age | 46 years |
| Poor-Condition Traffic Exposure | 588 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Burleigh County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Apple Creek RD over Apple Creek | Poor condition + traffic exposure | Poor | 518 | 1965 |
| 275th ST SE over Creek | Poor condition + traffic exposure | Poor | 40 | 1935 |
| 102nd AVE SE over Long Lake | Poor condition + traffic exposure | Poor | 30 | 1955 |
| Interstate 94 over Apple Creek | Scour-critical foundation rating | Fair | 3,850 | 1965 |
| Interstate 94 over Apple Creek | Scour-critical foundation rating | Fair | 3,850 | 1965 |
| Lincoln Road over Apple Creek | Scour-critical foundation rating | Fair | 2,900 | 1914 |
| US Highway 83 over Long Lake | Scour-critical foundation rating | Good | 1,410 | 1961 |
| 145th ST NE over Apple Creek | Scour-critical foundation rating | Fair | 5 | 1979 |
| US Highway over I-94/STATE Street Int | High traffic | Good | 27,600 | 1965 |
| I-94 Business Loop over Missouri River | High traffic | Fair | 14,700 | 2008 |
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.