Bingham County Bridge Report Card
Bingham County scores 82 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Bingham County, Idaho
Bingham County has 263 bridges in the National Bridge Inventory, with 9 rated poor and 6 rated scour-critical. Its poor-condition share of 3.4% is at or below the 5.4% statewide average. Poor-condition bridges carry about 50,440 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Bingham County a Bridge Condition Exposure Score of 82/100 (B). The county has 263 bridges in the National Bridge Inventory, including 9 in poor condition and 6 rated scour-critical. Poor-condition bridges carry about 50,440 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 | 3.4% | 6.8 |
| Poor-condition traffic exposure | 25 | 8.0% of measured traffic | 6.0 |
| Scour-critical bridge share | 20 | 2.3% | 4.6 |
| Average age vs national baseline | 10 | 50 years vs 48 nationally | 1.0 |
| Traffic-data completeness | 5 | 631,809 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 | 3.4% |
| State Poor-Condition Share | 5.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.3% |
| Average Bridge Age | 50 years |
| Poor-Condition Traffic Exposure | 50,440 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Bingham County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| I 15 Sbl over I15b;uprr;s.blackfoot Ic | Poor condition + traffic exposure | Poor | 13,750 | 1961 |
| I 15 Nbl over I15b;uprr;s.blackfoot Ic | Poor condition + traffic exposure | Poor | 13,750 | 1961 |
| I 15b ;us 91 over Blackfoot River | Poor condition + traffic exposure | Poor | 7,000 | 1936 |
| Sma 7611;w. Bridge over Snake River | Poor condition + traffic exposure | Poor | 6,900 | 1936 |
| US 91 over Blackfoot Canal | Poor condition + traffic exposure | Poor | 4,600 | 1951 |
| US 91 over Gibson Lateral Canal | Poor condition + traffic exposure | Poor | 3,800 | 1923 |
| Stc 1840:wolverine over Idaho Canal | Poor condition + traffic exposure | Poor | 290 | 2002 |
| Scott Rd; W 100 S over Aberdeen Springfield Cnl | Poor condition + traffic exposure | Poor | 190 | 1964 |
| Willie RD over I 15;willie Road Gs | Poor condition + traffic exposure | Poor | 160 | 1959 |
| US 26 Ebl & Wbl over Snake River;w.blackfoot | Scour-critical foundation rating | Fair | 18,000 | 1965 |
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.