Ky-666 over Sibley Creek
Union County, Kentucky · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ky-666 over Sibley Creek in Union County, Kentucky, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1952, making it 73 years old at the 2025 inventory.
- It carries about 56 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 30 of the 127 inventoried bridges in Union County rated good (23.6%); 10 (7.9%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (37.74806, -87.96833)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 24 ft |
| Location | .10 Mi West of Jct Ky 360 |
| NBI structure number | 113B00063N |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Union County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-60 over Lost Creek | 1954 | 9,681 | Fair |
| US-60 over Cypress Creek | 1968 | 6,836 | Fair |
| US 60 over Br of Casey Creek | 2019 | 6,011 | Good |
| US 60 over Branch of Casey Creek | 2019 | 6,011 | Good |
| US-60 over Eagle Creek | 1970 | 5,469 | Fair |
| US-60B over Lost Creek | 2001 | 3,027 | Fair |
All bridges nearby: Union County, KY bridge conditions · every bridge in Union County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.