Cr-1066b6 over Gunpowder Creek
Boone County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cr-1066b6 over Gunpowder Creek in Boone County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 108 vehicles a day (traffic count year 2006).
- Its listed owner is the county highway agency.
- It is one of 74 of the 139 inventoried bridges in Boone County rated fair (53.2%); 8 (5.8%) 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 September 2024, 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 → (39.00639, -84.69139)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 70 ft |
| Location | 0.75 Mi W. 0F Ky 237 |
| NBI structure number | 008C00069N |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Boone County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 over Ky 18 Ramp | 1990 | 140,378 | Fair |
| I-75 Ramp over West Rmp KY18 to I75SB | 1990 | 140,378 | Fair |
| I-75 over Chambers Lane | 1960 | 112,428 | Fair |
| I-75 Nc over Turfway Road (ky 1017) | 1960 | 90,720 | Fair |
| I-75 over Turfway Road (ky 1017) | 1960 | 90,720 | Fair |
| I-75 Nc over Ky 536 (mt Zion Rd) | 1992 | 70,784 | Fair |
All bridges nearby: Boone County, KY bridge conditions · every bridge in Boone County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.