Conception St Rd over Three Mile Creek
Mobile County, Alabama · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Conception St Rd over Three Mile Creek in Mobile County, Alabama, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 2000, making it 25 years old at the 2025 inventory.
- It carries about 1,653 vehicles a day (traffic count year 2024).
- Its listed owner is a city or municipal highway agency.
- It is one of 464 of the 609 inventoried bridges in Mobile County rated fair (76.2%); 15 (2.5%) 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 2024, 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 → (30.71873, -88.06559)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 306 ft |
| Location | 0.9 Mile S of Craft Hwy |
| NBI structure number | 017857 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2024 |
| 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 Alabama department of transportation.
Busiest bridges in Mobile County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 over Old Shell Rd | 1962 | 97,939 | Fair |
| I-65 over Spring Hill Ave | 1962 | 97,939 | Fair |
| I-10 WB * EB over Branch | 1964 | 96,938 | Fair |
| I-10 WB * EB over Halls Mill Creek | 1964 | 96,938 | Fair |
| I-10 WB * EB over Moores Creek | 1964 | 96,938 | Fair |
| I-65 over Three Mile Creek | 1962 | 92,601 | Fair |
All bridges nearby: Mobile County, AL bridge conditions · every bridge in Mobile County · Alabama bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.