Richland County Bridge Report Card
Richland County scores 89 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Richland County, Ohio
Richland County has 358 bridges in the National Bridge Inventory, with 18 rated poor and 0 rated scour-critical. Its poor-condition share of 5.0% is above the 4.7% statewide average. Poor-condition bridges carry about 11,850 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Richland County a Bridge Condition Exposure Score of 89/100 (B). The county has 358 bridges in the National Bridge Inventory, including 18 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 11,850 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 | 5.0% | 10.1 |
| Poor-condition traffic exposure | 25 | 0.7% of measured traffic | 0.5 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 41 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 1,618,511 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 | 5.0% |
| State Poor-Condition Share | 4.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 41 years |
| Poor-Condition Traffic Exposure | 11,850 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Richland County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Luther Place over Ritters Run | Poor condition + traffic exposure | Poor | 2,986 | 1999 |
| State St. over Black Fork River | Poor condition + traffic exposure | Poor | 1,889 | 1955 |
| Lex-ontario RD over Clear Fork River | Poor condition + traffic exposure | Poor | 1,481 | 1968 |
| Marion Ave. Rd. over Clear Fork Mohican River | Poor condition + traffic exposure | Poor | 1,199 | 1947 |
| Covert RD over Unnamed Stream | Poor condition + traffic exposure | Poor | 797 | 1920 |
| Springmill West over Black Fork Mohican River | Poor condition + traffic exposure | Poor | 477 | 1967 |
| Franklin Church RD over East Fork Brubaker Creek | Poor condition + traffic exposure | Poor | 477 | 1982 |
| Chew Rd. over Norfolk-southern Rxr | Poor condition + traffic exposure | Poor | 324 | 1910 |
| Coursen RD over Steel Run | Poor condition + traffic exposure | Poor | 324 | 1937 |
| Townline RD over Clear Creek | Poor condition + traffic exposure | Poor | 324 | 1940 |
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.