Bridge conditions in Boyle County, Kentucky
89 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 89 bridges in Boyle County: 16 rated good, 69 fair, and 4 poor.
- 4 of the 89 bridges in Boyle County, Kentucky, are rated in poor condition (4.5%) in the 2025 National Bridge Inventory, as of .
- 16 bridges (18.0%) are rated good and 69 (77.5%) fair.
- The median Boyle County bridge was built in 1984.
- The busiest poor-rated bridge is Ky-3042 over Dix Rvr-herrington Lake (built 1924), carrying about 630 vehicles a day.
Good 18.0% · Fair 77.5% · Poor 4.5% of 89 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 |
|---|---|---|---|
| Ky-3042 over Dix Rvr-herrington Lake | 1924 | 630 | Poor |
| Ky-1920 over Wilson Creek | 1965 | 552 | Poor |
| Rice Clark Rd over North Rolling Fork | 1900 | 20 | Poor |
| Wolford Rd over No Rolling Fork River | 2013 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-127B over Clarks Run Creek | 1969 | 24,003 | Fair |
| US-127 over Mocks Branch | 1958 | 16,063 | Fair |
| US-150 over NS RR and Harding St | 1949 | 13,146 | Fair |
| Ky-34 over Herrington Lake | 1990 | 12,188 | Fair |
| US 127B over NS (cno&tp) System | 1971 | 12,002 | Fair |
| US-127B over Norfolk Southern | 1991 | 12,002 | Fair |
| US-150 over Salt River | 1964 | 7,818 | Fair |
| US-127 over Clarks Run | 1987 | 7,648 | Fair |
| 4TH Street over Clarks Run | 1983 | 7,584 | Fair |
| US-150 over Quirks Run | 1964 | 6,913 | 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.