Clark County Bridge Report Card
Clark County scores 98 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Clark County, Ohio
Clark County has 340 bridges in the National Bridge Inventory, with 1 rated poor and 0 rated scour-critical. Its poor-condition share of 0.3% is at or below the 4.7% statewide average. Poor-condition bridges carry about 8,355 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Clark County a Bridge Condition Exposure Score of 98/100 (A). The county has 340 bridges in the National Bridge Inventory, including 1 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 8,355 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 | 0.3% | 0.6 |
| 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 | 51 years vs 48 nationally | 1.4 |
| Traffic-data completeness | 5 | 2,194,210 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 | 0.3% |
| State Poor-Condition Share | 4.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 51 years |
| Poor-Condition Traffic Exposure | 8,355 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Clark County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Oakdale Road over Belmont Creek | Poor condition + traffic exposure | Poor | 8,355 | 1970 |
| Ir-70 over CR 338 Xenia RD Aband. R | High traffic | Good | 63,108 | 2020 |
| Ir-70 over CR 338 Xenia RD Aband. R | High traffic | Good | 63,108 | 2020 |
| Ir-70 over SR 72 | High traffic | Good | 63,108 | 2020 |
| Ir-70 over SR 72 | High traffic | Good | 63,108 | 2020 |
| Ir 70 over Usr 68 | High traffic | Good | 61,300 | 2020 |
| Ir 70 over Usr 68 | High traffic | Good | 60,286 | 2020 |
| Ir-70 over Mad River Overflow | High traffic | Fair | 57,754 | 1957 |
| Ir-70 over Mad River | High traffic | Good | 57,754 | 1957 |
| Ir-70 over Smith Ditch | High traffic | Good | 57,754 | 1957 |
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.