Ky-40 over State Road Fork
Magoffin County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ky-40 over State Road Fork in Magoffin County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1989, making it 36 years old at the 2025 inventory.
- It carries about 1,012 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 50 of the 107 inventoried bridges in Magoffin County rated fair (46.7%); 3 (2.8%) 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 → (37.77889, -83.02139)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 9 | Excellent condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 36 ft |
| Location | 1.22 Mi W Ky 1081 |
| NBI structure number | 077B00074N |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Magoffin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-460 over Horsepen Fork | 2004 | 7,652 | Fair |
| US-460 over Rockhouse Fork | 1965 | 7,546 | Good |
| Ky 9009 over Over KY7 | 2017 | 7,026 | Good |
| KY9009 over Burning Fork | 2017 | 7,026 | Good |
| Ky-9009 over Johnson Creek | 1963 | 4,478 | Fair |
| Ky-9009 over Cow Creek | 1963 | 4,478 | Fair |
All bridges nearby: Magoffin County, KY bridge conditions · every bridge in Magoffin County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.