US-150 over NS RR and Harding St
Boyle County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US-150 over NS RR and Harding St in Boyle 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 1949 and reconstructed in 2003, making it 76 years old at the 2025 inventory.
- It carries about 13,146 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 69 of the 89 inventoried bridges in Boyle County rated fair (77.5%); 4 (4.5%) 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 October 2022, 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 → (37.64583, -84.78528)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 755 ft |
| Location | .2 MI W Of Maple Avenue |
| NBI structure number | 011B00043N |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2022 |
| Inspection interval (item 91) | 48 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 Boyle County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-127B over Clarks Run Creek | 1969 | 24,003 | Fair |
| US-127 over Mocks Branch | 1958 | 16,063 | Fair |
| Ky-34 over Herrington Lake | 1990 | 12,188 | Fair |
| US 127B over NS (cno&tp) System | 1971 | 12,002 | Fair |
| US-127B over Norfolk Southern | 1991 | 12,002 | Fair |
| US-150 over Salt River | 1964 | 7,818 | Fair |
All bridges nearby: Boyle County, KY bridge conditions · every bridge in Boyle County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.