Bear Lake County Bridge Report Card
Bear Lake County scores 80 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Bear Lake County, Idaho
Bear Lake County has 34 bridges in the National Bridge Inventory, with 0 rated poor and 5 rated scour-critical. Its poor-condition share of 0.0% is at or below the 5.4% statewide average.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Bear Lake County a Bridge Condition Exposure Score of 80/100 (B). The county has 34 bridges in the National Bridge Inventory, including 0 in poor condition and 5 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 | 14.7% | 20.0 |
| Average age vs national baseline | 10 | 40 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 37,460 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 | 5.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 14.7% |
| Average Bridge Age | 40 years |
| Poor-Condition Traffic Exposure | 0 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Bear Lake County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| US 30 over Thomas Fork Creek | Scour-critical foundation rating | Fair | 1,200 | 1964 |
| Stc 1809;dingle RD over Bear River;n.dingle Br. | Scour-critical foundation rating | Fair | 560 | 1966 |
| Bern Road over Bear River;bern Bridge | Scour-critical foundation rating | Fair | 300 | 1973 |
| Hunter Hill Road over Bear River;e.dingle Br | Scour-critical foundation rating | Fair | 140 | 1989 |
| County Road over Bear River | Scour-critical foundation rating | Fair | 70 | 1984 |
| US 89 over Uprr;12th St.;montpelier | High traffic | Fair | 4,800 | 1971 |
| US 89 over Bear River | High traffic | Good | 3,500 | 1973 |
| US 30 over Georgetown Creek | High traffic | Good | 3,400 | 2016 |
| US 89 over Bear Lake Canal | High traffic | Fair | 3,100 | 1973 |
| US 89 over Ovid Creek | High traffic | Good | 3,100 | 2014 |
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.