Sulphur Creek Rd over Sulphur Creek
Adair County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sulphur Creek Rd over Sulphur Creek in Adair 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 1965, making it 60 years old at the 2025 inventory.
- It carries about 124 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 104 of the 143 inventoried bridges in Adair County rated fair (72.7%); 12 (8.4%) 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 September 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 → (37.14444, -85.1375)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 83 ft |
| Location | 1 Mi. S-jct. Ky 206 |
| NBI structure number | 001C00036N |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Adair County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Hwy 55 over Ln-9008 | 1972 | 9,532 | Fair |
| Ky-55x over Russell Creek | 1950 | 8,263 | Fair |
| KY-55X and KY-206 over Branch of Russell Creek | 2015 | 8,263 | Good |
| Ln-9008 over Conover RD | 1971 | 7,716 | Fair |
| Ln-9008 over Arnold Keene Wilson Road | 1971 | 7,716 | Fair |
| Ln-9008 over Shiloh Road | 1972 | 7,716 | Fair |
All bridges nearby: Adair County, KY bridge conditions · every bridge in Adair County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.