Grant County Bridge Report Card
Grant County scores 84 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Grant County, Kentucky
Grant County has 79 bridges in the National Bridge Inventory, with 6 rated poor and 0 rated scour-critical. Its poor-condition share of 7.6% is above the 7.5% statewide average. Poor-condition bridges carry about 2,625 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Grant County a Bridge Condition Exposure Score of 84/100 (B). The county has 79 bridges in the National Bridge Inventory, including 6 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 2,625 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 | 7.6% | 15.2 |
| Poor-condition traffic exposure | 25 | 1.4% of measured traffic | 1.0 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 37 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 190,570 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 | 7.6% |
| State Poor-Condition Share | 7.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 37 years |
| Poor-Condition Traffic Exposure | 2,625 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Grant County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Ky-491 over Bullock Creek | Poor condition + traffic exposure | Poor | 1,182 | 1970 |
| Ky-2942 over Tenmile Creek | Poor condition + traffic exposure | Poor | 1,013 | 1979 |
| Dry Ridge-mount Zi over Arnolds Creek | Poor condition + traffic exposure | Poor | 139 | 1965 |
| Cherry Grove Road over Ns (cno&tp) System | Poor condition + traffic exposure | Poor | 105 | 1920 |
| Clarks Creek Road over Clarks Creek | Poor condition + traffic exposure | Poor | 93 | 1970 |
| Fords Mill Road over Clarks Creek | Poor condition + traffic exposure | Poor | 93 | 1970 |
| I-75 over Three Fork Creek | High traffic | Fair | 44,363 | 1963 |
| I-75 Southbound over Ragtown Road | High traffic | Good | 22,182 | 2007 |
| I-75 Northbound over Ragtown Road | High traffic | Good | 22,182 | 2007 |
| Ky-22 over I-75 @ 158.54 | High traffic | Good | 16,492 | 1998 |
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.