Ky-310 over Unname Stream
Ballard County, Kentucky · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ky-310 over Unname Stream in Ballard 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 1955, making it 70 years old at the 2025 inventory.
- It carries about 271 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 24 of the 85 inventoried bridges in Ballard County rated good (28.2%); 12 (14.1%) 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 → (37.115, -88.98667)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 26 ft |
| Location | 1.5 Mi N.W. of Jct Ky 358 |
| NBI structure number | 004B00048N |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Ballard County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-60 over Page Branch | 1929 | 7,187 | Fair |
| US-60 over Frazier Creek | 1929 | 5,514 | Fair |
| US-60 over Branch Frazier Creek | 1929 | 5,514 | Fair |
| US-60 over Fork of Humphrey CR | 1985 | 5,514 | Fair |
| US-60 over Humphrey Creek | 1985 | 5,514 | Good |
| US-51 over Ohio River -ic (sou) RR | 1937 | 5,344 | Fair |
All bridges nearby: Ballard County, KY bridge conditions · every bridge in Ballard County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.