I-75 over over Rockcastle River
Laurel County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-75 over over Rockcastle River in Laurel 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 2005, making it 20 years old at the 2025 inventory.
- It carries about 39,651 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 97 of the 133 inventoried bridges in Laurel County rated fair (72.9%); 5 (3.8%) 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 July 2024, 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 → (37.24028, -84.23917)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 846 ft |
| Location | 4.8 Mi North Jct US25 |
| NBI structure number | 063B00114N |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| 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 Laurel County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 over Ky 3432(PARKER Road | 2000 | 53,865 | Fair |
| I-75 over Laurel River | 2020 | 42,462 | Good |
| I-75 over Ky 2041 | 2022 | 37,830 | Good |
| I-75 over Wood Creek | 2022 | 37,830 | Good |
| Ky-192 over I-75 @ 38.193 | 2000 | 28,439 | Fair |
| I-75 Nc over US25E | 1968 | 21,231 | Fair |
All bridges nearby: Laurel County, KY bridge conditions · every bridge in Laurel County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.