Ky-90 over Slate Fork Creek
Cumberland County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ky-90 over Slate Fork Creek in Cumberland 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 1975, making it 50 years old at the 2025 inventory.
- It carries about 3,037 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 68 of the 93 inventoried bridges in Cumberland County rated fair (73.1%); 7 (7.5%) 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 March 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 → (36.76167, -85.31111)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 26 ft |
| Location | .50 Mi East of Jct Ky 449 |
| NBI structure number | 029B00042N |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2022 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Cumberland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ky-90 over Cumberland River | 1951 | 5,495 | Fair |
| Ky-90 over Norris Branch | 1942 | 3,335 | Fair |
| Ky-90 over Allen Creek | 1942 | 3,335 | Fair |
| Ky-90 over Dutch Creek | 1942 | 3,335 | Fair |
| Ky-90 over Br of Marrowbone Creek | 1942 | 3,335 | Fair |
| Ky-90 over Bear Creek | 1974 | 3,037 | Fair |
All bridges nearby: Cumberland County, KY bridge conditions · every bridge in Cumberland County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.