US 31 over Dyas Creek
Baldwin County, Alabama · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 31 over Dyas Creek in Baldwin County, Alabama, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1951, making it 74 years old at the 2025 inventory.
- It carries about 4,535 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 197 of the 382 inventoried bridges in Baldwin County rated fair (51.6%); 5 (1.3%) 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 April 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (30.93349, -87.68512)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 271 ft |
| Location | 6.3 Mi N Jct SR 59 |
| NBI structure number | 004002 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Alabama department of transportation.
Busiest bridges in Baldwin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-10 over Joes Branch | 1969 | 63,162 | Fair |
| I-10 over Dolive Stream | 1969 | 63,162 | Fair |
| I-10 over Dolive Creek | 1969 | 63,162 | Fair |
| I-10 EB * WB over Turkey Branch | 1969 | 63,093 | Fair |
| I-10 EB * WB over Bay Branch | 1969 | 63,093 | Fair |
| I-10 EB * WB over Stream | 1969 | 55,494 | Fair |
All bridges nearby: Baldwin County, AL bridge conditions · every bridge in Baldwin County · Alabama bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.