Ky 146 over I-71
Oldham County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ky 146 over I-71 in Oldham County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1968, making it 57 years old at the 2025 inventory.
- It carries about 13,771 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 54 of the 68 inventoried bridges in Oldham County rated fair (79.4%); 5 (7.4%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated March 2023, on a 24-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 → (38.36917, -85.44389)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 335 ft |
| Location | 0.75 Mi W of Ky 1817 |
| NBI structure number | 093B00009N |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Oldham County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-71 NB over N Fork Currys Fork | 1968 | 64,158 | Fair |
| I-71 NB over Trib to S Fk Harrods Crk | 1968 | 36,238 | Fair |
| I-71 SB over Trib to S Fk Harrods Crk | 1968 | 36,238 | Fair |
| I-71 NB over S Fork Harrods Creek | 1968 | 36,238 | Fair |
| I-71 SB over S Fork Harrods Creek | 1968 | 36,238 | Fair |
| I-71 SB over Moser Farm Rd | 2024 | 36,238 | Fair |
All bridges nearby: Oldham County, KY bridge conditions · every bridge in Oldham County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.