Ashby Fork Rd over Br of Ashbys Fork
Boone County, Kentucky · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ashby Fork Rd over Br of Ashbys Fork in Boone County, Kentucky, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1989, making it 36 years old at the 2025 inventory.
- It carries about 82 vehicles a day (traffic count year 2006).
- Its listed owner is the county highway agency.
- It is one of 57 of the 139 inventoried bridges in Boone County rated good (41.0%); 8 (5.8%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (39.04306, -84.81)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 25 ft |
| Location | 2 Mi SE Jct Ky 20 |
| NBI structure number | 008C00044N |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Boone County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 over Ky 18 Ramp | 1990 | 140,378 | Fair |
| I-75 Ramp over West Rmp KY18 to I75SB | 1990 | 140,378 | Fair |
| I-75 over Chambers Lane | 1960 | 112,428 | Fair |
| I-75 Nc over Turfway Road (ky 1017) | 1960 | 90,720 | Fair |
| I-75 over Turfway Road (ky 1017) | 1960 | 90,720 | Fair |
| I-75 Nc over Ky 536 (mt Zion Rd) | 1992 | 70,784 | Fair |
All bridges nearby: Boone County, KY bridge conditions · every bridge in Boone County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.