Zion Mountain Rd over Crooked Creek
Estill County, Kentucky · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Zion Mountain Rd over Crooked Creek in Estill County, Kentucky, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1991, making it 34 years old at the 2025 inventory.
- It carries about 13 vehicles a day (traffic count year 2012).
- Its listed owner is the county highway agency.
- It is one of 20 of the 56 inventoried bridges in Estill County rated good (35.7%); 5 (8.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: deck 8 to 7, superstructure 8 to 7.
- Its most recent inspection on record is dated May 2024, on a 48-month routine inspection cycle.
- 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 → (37.64278, -84.05889)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 7 | Good condition |
| Superstructure | 8 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 32 ft |
| Location | 0.3 Mi S Ky 1139 |
| NBI structure number | 033C00025N |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| 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 Estill County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ky-52 over Kentucky River & CSX RR | 1940 | 13,424 | Fair |
| Ky-52 over Drowning Creek | 1957 | 8,228 | Poor |
| Ky 499 over Kentucky Rvr&csx Railroa | 2000 | 5,772 | Fair |
| Ky 89 over Sweet Lick Branch | 2017 | 5,369 | Good |
| Ky 89 over White Oak Creek | 2017 | 5,369 | Good |
| Ky-89 over Calloway Creek | 1931 | 4,473 | Fair |
All bridges nearby: Estill County, KY bridge conditions · every bridge in Estill County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.