Traill County Bridge Report Card
Traill County scores 48 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Traill County, North Dakota
Traill County has 147 bridges in the National Bridge Inventory, with 26 rated poor and 2 rated scour-critical. Its poor-condition share of 17.7% is above the 11.1% statewide average. Poor-condition bridges carry about 14,550 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Traill County a Bridge Condition Exposure Score of 48/100 (F). The county has 147 bridges in the National Bridge Inventory, including 26 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 14,550 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 | 17.7% | 35.4 |
| Poor-condition traffic exposure | 25 | 14.9% of measured traffic | 11.2 |
| Scour-critical bridge share | 20 | 1.4% | 2.7 |
| Average age vs national baseline | 10 | 54 years vs 48 nationally | 2.3 |
| Traffic-data completeness | 5 | 97,514 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 | 17.7% |
| State Poor-Condition Share | 11.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.4% |
| Average Bridge Age | 54 years |
| Poor-Condition Traffic Exposure | 14,550 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Traill County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Interstate 29 over Goose River | Poor condition + traffic exposure | Poor | 4,550 | 1970 |
| Interstate 29 over Goose River | Poor condition + traffic exposure | Poor | 4,550 | 1970 |
| Nd Highway 200 over Goose River | Poor condition + traffic exposure | Poor | 2,010 | 1977 |
| Nd Highway 200 over Intermittent Stream | Poor condition + traffic exposure | Poor | 1,970 | 1971 |
| County Highway over Red River Of The North | Poor condition + traffic exposure | Poor | 340 | 1957 |
| County Highway over Red River Of The North | Poor condition + traffic exposure | Poor | 270 | 1939 |
| County Highway over Red River Of The North | Poor condition + traffic exposure | Poor | 260 | 1952 |
| County Highway over Goose River | Poor condition + traffic exposure | Poor | 200 | 1934 |
| County Highway over Creek | Poor condition + traffic exposure | Poor | 65 | 1950 |
| County Highway over N. Mayville Drain No. 8 | Poor condition + traffic exposure | Poor | 50 | 1967 |
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.