Columbiana County Bridge Report Card
Columbiana County scores 82 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Columbiana County, Ohio
Columbiana County has 324 bridges in the National Bridge Inventory, with 12 rated poor and 0 rated scour-critical. Its poor-condition share of 3.7% is at or below the 4.7% statewide average. Poor-condition bridges carry about 44,487 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Columbiana County a Bridge Condition Exposure Score of 82/100 (B). The county has 324 bridges in the National Bridge Inventory, including 12 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 44,487 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 | 3.7% | 7.4 |
| Poor-condition traffic exposure | 25 | 5.0% of measured traffic | 3.8 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 64 years vs 48 nationally | 6.4 |
| Traffic-data completeness | 5 | 888,595 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 | 3.7% |
| State Poor-Condition Share | 4.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 64 years |
| Poor-Condition Traffic Exposure | 44,487 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Columbiana County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| US 30 & SR 7 over Hill AVE Twp RD 1082 | Poor condition + traffic exposure | Poor | 20,444 | 1964 |
| US 30 over Carpenters Run | Poor condition + traffic exposure | Poor | 13,000 | 1963 |
| SR 172 over Middle Br Sandy Creek | Poor condition + traffic exposure | Poor | 3,323 | 1972 |
| SR 170 over N Fork Little Beaver CR | Poor condition + traffic exposure | Poor | 2,497 | 1990 |
| Hunston RD 443 over Leslie Run | Poor condition + traffic exposure | Poor | 1,561 | 1940 |
| Pennsylvania AVE over Mid Fork Lttl Beaver Crk | Poor condition + traffic exposure | Poor | 1,500 | 1970 |
| Ninth ST over Usr-30 | Poor condition + traffic exposure | Poor | 1,000 | 1968 |
| SR 518 over Willard Run (brush Cr) | Poor condition + traffic exposure | Poor | 481 | 1968 |
| Neeld RD 433 over Penn-cent Rr | Poor condition + traffic exposure | Poor | 221 | 1992 |
| Pricthard Avenue over Trib Of Little Beaver CR | Poor condition + traffic exposure | Poor | 200 | 1930 |
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.