Marion County Bridge Report Card
Marion County scores 77 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Marion County, Kentucky
Marion County has 149 bridges in the National Bridge Inventory, with 13 rated poor and 1 rated scour-critical. Its poor-condition share of 8.7% is above the 7.5% statewide average. Poor-condition bridges carry about 7,088 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Marion County a Bridge Condition Exposure Score of 77/100 (C). The county has 149 bridges in the National Bridge Inventory, including 13 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 7,088 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 | 8.7% | 17.4 |
| Poor-condition traffic exposure | 25 | 5.9% of measured traffic | 4.4 |
| Scour-critical bridge share | 20 | 0.7% | 1.3 |
| Average age vs national baseline | 10 | 45 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 120,750 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 | 8.7% |
| State Poor-Condition Share | 7.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.7% |
| Average Bridge Age | 45 years |
| Poor-Condition Traffic Exposure | 7,088 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Marion County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Ky-208 over Rolling Fork Of Salt Riv | Poor condition + traffic exposure | Poor | 1,926 | 1953 |
| Ky-289 over Rolling Fork | Poor condition + traffic exposure | Poor | 1,105 | 1923 |
| Ky-152 over Colemans Run Creek | Poor condition + traffic exposure | Poor | 790 | 1941 |
| Ky-527 over Rolling Fork River | Poor condition + traffic exposure | Poor | 623 | 1954 |
| Ky-429 over Shepherds Run | Poor condition + traffic exposure | Poor | 580 | 1973 |
| Ky-49 over Travers Creek | Poor condition + traffic exposure | Poor | 520 | 1930 |
| Ky-49 over Rush Branch | Poor condition + traffic exposure | Poor | 520 | 1930 |
| Lovers LN East over Indian Lick CR | Poor condition + traffic exposure | Poor | 428 | 1988 |
| Ky-1195 over Pleasant Run Creek | Poor condition + traffic exposure | Poor | 333 | 1980 |
| Medlock Crk RD over Medlock Creek | Poor condition + traffic exposure | Poor | 116 | 1960 |
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.