S 31E Loop over Mulberry Run
Bullitt County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S 31E Loop over Mulberry Run in Bullitt County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2011, making it 14 years old at the 2025 inventory.
- It carries about 7,803 vehicles a day (traffic count year 2012).
- Its listed owner is the county highway agency.
- It is one of 84 of the 99 inventoried bridges in Bullitt County rated fair (84.8%); 7 (7.1%) 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 October 2023, 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 → (38.03472, -85.53056)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 32 ft |
| Location | 0.2 Mi S of N Jct US 31E |
| NBI structure number | 015C00038N |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 48 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 Bullitt County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 over Bluelick Creek | 1956 | 91,084 | Fair |
| I-65 over Brooks Run | 1956 | 91,084 | Fair |
| I-65 over Barley Creek | 1955 | 64,018 | Fair |
| I-65 over Cain Run | 1955 | 64,018 | Fair |
| I-65 & Ky 61 over Crooked Creek | 1955 | 64,018 | Fair |
| I-65 SB over Salt River | 1956 | 45,726 | Fair |
All bridges nearby: Bullitt County, KY bridge conditions · every bridge in Bullitt County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.