Madison County Bridge Report Card
Madison County scores 82 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Madison County, Ohio
Madison County has 200 bridges in the National Bridge Inventory, with 17 rated poor and 0 rated scour-critical. Its poor-condition share of 8.5% is above the 4.7% statewide average. Poor-condition bridges carry about 12,166 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Madison County a Bridge Condition Exposure Score of 82/100 (B). The county has 200 bridges in the National Bridge Inventory, including 17 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 12,166 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 | 8.5% | 17.0 |
| Poor-condition traffic exposure | 25 | 1.6% of measured traffic | 1.2 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 43 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 772,858 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 | 8.5% |
| State Poor-Condition Share | 4.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 43 years |
| Poor-Condition Traffic Exposure | 12,166 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Madison County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| County RD 7 over Three Mile Run | Poor condition + traffic exposure | Poor | 3,334 | 1920 |
| SR 29 over Spring Fork Creek | Poor condition + traffic exposure | Poor | 2,997 | 1955 |
| Spring Valley Rd. over Deer Creek Tributary | Poor condition + traffic exposure | Poor | 1,489 | 1958 |
| Cheseldine RD over Deer Creek | Poor condition + traffic exposure | Poor | 944 | 1975 |
| Maple Street over Sweeney Run | Poor condition + traffic exposure | Poor | 740 | 1928 |
| Robison RD over Deer Creek | Poor condition + traffic exposure | Poor | 557 | 1930 |
| Big Plain Circlevi over Deer Creek | Poor condition + traffic exposure | Poor | 444 | 1964 |
| SR 323 over Paint Creek | Poor condition + traffic exposure | Poor | 348 | 1964 |
| Kellough RD over Paint Creek | Poor condition + traffic exposure | Poor | 242 | 1910 |
| Glade Run RD over Deer Creek | Poor condition + traffic exposure | Poor | 233 | 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.