Clinton County Bridge Report Card
Clinton County scores 99 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Clinton County, Ohio
Clinton County has 207 bridges in the National Bridge Inventory, with 1 rated poor and 0 rated scour-critical. Its poor-condition share of 0.5% is at or below the 4.7% statewide average. Poor-condition bridges carry about 2,091 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Clinton County a Bridge Condition Exposure Score of 99/100 (A). The county has 207 bridges in the National Bridge Inventory, including 1 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 2,091 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 | 0.5% | 1.0 |
| Poor-condition traffic exposure | 25 | 0.4% of measured traffic | 0.3 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 46 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 484,330 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 | 0.5% |
| State Poor-Condition Share | 4.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 46 years |
| Poor-Condition Traffic Exposure | 2,091 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Clinton County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| SR 28 over East Fork Little Miami | Poor condition + traffic exposure | Poor | 2,091 | 1990 |
| SB Ir-71 over Anderson Fork | High traffic | Good | 43,000 | 2024 |
| NB Ir-71 over Anderson Fork | High traffic | Good | 43,000 | 2024 |
| SB Ir 71 over Grassy Run | High traffic | Good | 43,000 | 2024 |
| NB Ir-71 over Grassy Run | High traffic | Good | 43,000 | 2024 |
| US 22 over Anderson Fork | High traffic | Good | 10,980 | 1989 |
| US 68 over Todd Fork | High traffic | Good | 10,607 | 1990 |
| US 68 over Dutch Creek | High traffic | Good | 10,607 | 2014 |
| US 68 over Lytle Creek | High traffic | Good | 9,969 | 1932 |
| SR 73 over Todd Fork | High traffic | Good | 9,079 | 1976 |
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.