Al-18 over Lost Creek
Walker County, Alabama · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Al-18 over Lost Creek in Walker 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 1966, making it 59 years old at the 2025 inventory.
- It carries about 3,624 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 167 of the 275 inventoried bridges in Walker County rated fair (60.7%); 16 (5.8%) 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 May 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 → (33.88191, -87.51052)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 306 ft |
| Location | Lost Crk at Carbon Hill |
| NBI structure number | 009170 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 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 Alabama department of transportation.
Busiest bridges in Walker County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-22 over Burnt Caine Creek | 2004 | 25,062 | Good |
| I-22 over Burnt Caine Creek | 2004 | 25,062 | Fair |
| I-22 over BNSF Railroad | 2004 | 25,062 | Good |
| I-22 over Dora Flat Creek Rd | 2004 | 25,062 | Good |
| I-22 over BNSF Railroad | 2004 | 25,062 | Good |
| I-22 over Cr-81 | 2004 | 25,062 | Good |
All bridges nearby: Walker County, AL bridge conditions · every bridge in Walker County · Alabama bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.