Ky-3428 over Daniel Boone Parkway
Leslie County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ky-3428 over Daniel Boone Parkway in Leslie County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1973, making it 52 years old at the 2025 inventory.
- It carries about 24 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 65 of the 112 inventoried bridges in Leslie County rated fair (58.0%); 13 (11.6%) 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 December 2023, on a 48-month routine inspection cycle.
- 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 → (37.16722, -83.54222)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete tee beam |
| Length | about 283 ft |
| Location | .1 Mi N of Jct Us421-ky 8 |
| NBI structure number | 066B00041N |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2023 |
| 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 Leslie County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Hr-9006 over Bull Creek | 1974 | 5,196 | Fair |
| Hr-9006 over Sugar Camp Br Rd | 1974 | 5,196 | Fair |
| Hr-9006 over Bull Creek | 1973 | 5,196 | Fair |
| Hr-9006 over Bull Creek | 1973 | 5,196 | Fair |
| Hr-9006 over Ky257-mdfk Ky Rvr-ky3425 | 1973 | 5,196 | Fair |
| Ky-118 over Rockhouse Creek | 1974 | 3,744 | Fair |
All bridges nearby: Leslie County, KY bridge conditions · every bridge in Leslie County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.