US 31E over Salt River
Spencer County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 31E over Salt River in Spencer County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1988, making it 37 years old at the 2025 inventory.
- It carries about 8,202 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 43 of the 58 inventoried bridges in Spencer County rated fair (74.1%); 5 (8.6%) 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 February 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 → (38.01278, -85.51194)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 404 ft |
| Location | at Bullitt Cl |
| NBI structure number | 108B00043N |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2023 |
| Inspection interval (item 91) | 24 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 Spencer County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ky 155 over Elk Creek | 1982 | 14,485 | Fair |
| Ky 155 over Plum Creek | 1982 | 14,485 | Fair |
| Ky 44 over Brashears Creek | 1979 | 7,761 | Fair |
| Ky 44 over Elk Creek | 1932 | 6,191 | Fair |
| Ky 44 over Brashears Creek | 1958 | 6,191 | Fair |
| Ky 44 over Plum Creek | 1932 | 3,985 | Poor |
All bridges nearby: Spencer County, KY bridge conditions · every bridge in Spencer County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.