Harrison County Bridge Report Card
Harrison County scores 60 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Harrison County, Ohio
Harrison County has 138 bridges in the National Bridge Inventory, with 20 rated poor and 0 rated scour-critical. Its poor-condition share of 14.5% is above the 4.7% statewide average. Poor-condition bridges carry about 12,411 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Harrison County a Bridge Condition Exposure Score of 60/100 (D). The county has 138 bridges in the National Bridge Inventory, including 20 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 12,411 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 | 14.5% | 29.0 |
| Poor-condition traffic exposure | 25 | 6.3% of measured traffic | 4.7 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 64 years vs 48 nationally | 6.6 |
| Traffic-data completeness | 5 | 197,073 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 | 14.5% |
| 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 | 12,411 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Harrison County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| US 22 WB over Columbus & Ohio R.rr | Poor condition + traffic exposure | Poor | 3,875 | 1960 |
| US 22 & US 250 EB over Columbus & Ohio R.rr | Poor condition + traffic exposure | Poor | 3,875 | 1960 |
| SR 800 over Stillwater Creek | Poor condition + traffic exposure | Poor | 1,611 | 1927 |
| No Data over Stillwater Creek | Poor condition + traffic exposure | Poor | 540 | 1900 |
| County RD 13 over North Fork Of Short Cree | Poor condition + traffic exposure | Poor | 448 | 1960 |
| SR 799 over Mcfadden Run | Poor condition + traffic exposure | Poor | 352 | 1948 |
| County RD 41 over South Fork Of Short Cree | Poor condition + traffic exposure | Poor | 295 | 1900 |
| Cross Street over Conotton Creek | Poor condition + traffic exposure | Poor | 291 | 1900 |
| County RD 12 over North Fork Short Creek | Poor condition + traffic exposure | Poor | 255 | 1900 |
| Bridge Street over Conotton Creek | Poor condition + traffic exposure | Poor | 200 | 1900 |
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.