Frisby Br Rd over Collins Fork
Knox County, Kentucky · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Frisby Br Rd over Collins Fork in Knox County, Kentucky, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2013, making it 12 years old at the 2025 inventory.
- It carries about 159 vehicles a day (traffic count year 2013).
- Its listed owner is the county highway agency.
- It is one of 25 of the 125 inventoried bridges in Knox County rated good (20.0%); 9 (7.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2022, on a 48-month routine inspection cycle.
- 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 → (36.95694, -83.83444)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 36 ft |
| Location | Off Ky 11 |
| NBI structure number | 061C00099N |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2022 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Knox County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-25E over Fighting Creek | 1979 | 17,457 | Fair |
| South US 25E over Little Richland Creek | 1979 | 8,489 | Fair |
| US-25E over Little Richland Creek | 1979 | 8,489 | Fair |
| Ky 3041 over Ky 1232 CSX RR Lynn Camp | 1993 | 7,935 | Fair |
| South US 25E over Big Richland Creek | 1979 | 7,739 | Fair |
| US-25E over Big Richland Creek | 1979 | 7,739 | Fair |
All bridges nearby: Knox County, KY bridge conditions · every bridge in Knox County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.