US 31 over CSX RR 000429.6 Active
Chilton County, Alabama · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 31 over CSX RR 000429.6 Active in Chilton County, Alabama, 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 1941, making it 84 years old at the 2025 inventory.
- It carries about 4,182 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 94 of the 190 inventoried bridges in Chilton County rated fair (49.5%); 2 (1.1%) are rated poor.
- 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 → (33.04053, -86.76172)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 153 ft |
| Location | R.R 1.9 Mi S Shelby Line |
| NBI structure number | 002531 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Alabama department of transportation.
Busiest bridges in Chilton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 over Cobb Creek | 1960 | 48,128 | Fair |
| I-65 over Third Creek | 1960 | 48,128 | Fair |
| I-65 over Watson Creek | 1960 | 48,128 | Fair |
| I-65 over Turkey Creek | 1960 | 43,848 | Fair |
| I-65 over Yellow Leaf Creek (+) | 1989 | 43,848 | Good |
| I-65 over Walnut Creek (-) | 1957 | 42,705 | Fair |
All bridges nearby: Chilton County, AL bridge conditions · every bridge in Chilton County · Alabama bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.