Bridge conditions in Carroll County, Kentucky
68 inventoried bridges · 8 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Carroll County has 8 bridges rated poor out of 68 inventoried, a 11.8% share that puts it well above the national rate of about 7%.
- 8 of the 68 bridges in Carroll County, Kentucky, are rated in poor condition (11.8%) in the 2025 National Bridge Inventory, as of .
- 9 bridges (13.2%) are rated good and 51 (75.0%) fair.
- The median Carroll County bridge was built in 1967.
- The busiest poor-rated bridge is I-71 over Ky 1112 & Whites Run Crk (built 1967), carrying about 17,812 vehicles a day.
Good 13.2% · Fair 75.0% · Poor 11.8% of 68 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-71 over Ky 1112 & Whites Run Crk | 1967 | 17,812 | Poor |
| US-42 over Kentucky River & City St | 1952 | 8,046 | Poor |
| Ky-36 over Lick Creek | 1933 | 392 | Poor |
| Ky-47 over Lick CR @gallatin Co.lin | 1967 | 362 | Poor |
| Cr-1110 over Eagle Creek | 1970 | 277 | Poor |
| Boone Road over Trib. to Ky. River | 1968 | 208 | Poor |
| East Prong Locust over E.prong-locust Creek | 1987 | 76 | Poor |
| Cr-1310 over West Prong-locust Creek | 2000 | 12 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-71 over Green Bottom Road | 1967 | 41,258 | Fair |
| I-71 over Kentucky River | 1967 | 20,629 | Fair |
| I-71 over Kentucky River | 1967 | 20,629 | Fair |
| I-71 over Ky 1112 & Whites Run Crk | 1967 | 17,812 | Poor |
| I-71 over Ky 1112 & Whites Run Crk | 1967 | 17,812 | Fair |
| I-71 over CSX RR & Ky 227 | 1967 | 17,812 | Fair |
| I-71 over CSX RR & Ky 227 | 1967 | 17,812 | Fair |
| I-71 over Mill CR + Mill CR Rd | 1967 | 14,909 | Fair |
| I-71 over Mill CR + Mill CR Rd | 1967 | 14,909 | Fair |
| I-71 over Mill CR + Mill CR Rd | 1967 | 14,909 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Kentucky: Kentucky bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.