Ky-317 over Yonts Fork
Letcher County, Kentucky · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ky-317 over Yonts Fork in Letcher 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 2024, making it 1 years old at the 2025 inventory.
- It carries about 634 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 72 of the 181 inventoried bridges in Letcher County rated good (39.8%); 17 (9.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It does not appear under this structure number in the 2024 inventory (a new or renumbered structure).
- Its most recent inspection on record is dated October 2024, on a 24-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 → (37.21556, -82.70528)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Aluminum or iron culvert |
| Length | about 20 ft |
| Location | 1.8 MI N of JCT KY 343 |
| NBI structure number | 067B00152N |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Letcher County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-119 over N Fork Kentucky River | 1974 | 11,505 | Fair |
| Ky-15 over Ky-15c | 1979 | 11,229 | Fair |
| Ky-15 over N Fork Kentucky River | 1979 | 11,229 | Fair |
| Ky-15 over N Fork Kentucky River | 1979 | 11,229 | Fair |
| Ky-15 over Maryland Dr/N F KY River | 1979 | 11,229 | Fair |
| Ky-15 over N Fork Ky River | 1965 | 10,037 | Fair |
All bridges nearby: Letcher County, KY bridge conditions · every bridge in Letcher County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.