Ky-37 over North Rolling Fork
Boyle County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ky-37 over North Rolling Fork in Boyle County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1949, making it 76 years old at the 2025 inventory.
- It carries about 345 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 69 of the 89 inventoried bridges in Boyle County rated fair (77.5%); 4 (4.5%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (37.56222, -84.87889)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 30 ft |
| Location | .5 Mi E of Jct Ky 1822 |
| NBI structure number | 011B00019N |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Boyle 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 |
All bridges nearby: Boyle County, KY bridge conditions · every bridge in Boyle County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.