Guernsey County Bridge Report Card
Guernsey County scores 78 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Guernsey County, Ohio
Guernsey County has 353 bridges in the National Bridge Inventory, with 34 rated poor and 1 rated scour-critical. Its poor-condition share of 9.6% is above the 4.7% statewide average. Poor-condition bridges carry about 15,348 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Guernsey County a Bridge Condition Exposure Score of 78/100 (C). The county has 353 bridges in the National Bridge Inventory, including 34 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 15,348 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 | 9.6% | 19.3 |
| Poor-condition traffic exposure | 25 | 1.4% of measured traffic | 1.0 |
| Scour-critical bridge share | 20 | 0.3% | 0.6 |
| Average age vs national baseline | 10 | 50 years vs 48 nationally | 0.7 |
| Traffic-data completeness | 5 | 1,110,859 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 | 9.6% |
| State Poor-Condition Share | 4.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.3% |
| Average Bridge Age | 50 years |
| Poor-Condition Traffic Exposure | 15,348 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Guernsey County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Township RD 7659 over Brushy Fork | Poor condition + traffic exposure | Poor | 96 | 1940 |
| County RD 35 over Leatherwood Creek | Poor condition + traffic exposure | Poor | 6,684 | 1965 |
| SR 313 over Over Wills Creek | Poor condition + traffic exposure | Poor | 3,143 | 1958 |
| County RD 33 over Crosses Over Wills Creek | Poor condition + traffic exposure | Poor | 1,112 | 1992 |
| County Road 44 over Crooked Creek | Poor condition + traffic exposure | Poor | 477 | 2003 |
| County RD 49 over Salt Fork | Poor condition + traffic exposure | Poor | 367 | 1965 |
| Township Rd. 8361 over Stream | Poor condition + traffic exposure | Poor | 351 | 1930 |
| Township RD To587 over Crosses Over Brushy Fork | Poor condition + traffic exposure | Poor | 351 | 1992 |
| County RD 33 over Birds Run | Poor condition + traffic exposure | Poor | 274 | 1955 |
| Township Rd. 8772 over Sugartree Fork | Poor condition + traffic exposure | Poor | 239 | 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.