Al - 4 (us 78) over Little Cahaba Rv
FairJefferson County, Alabama · Downtown Leeds · Structure no. 000884
- Built
- 1931
- 94 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 98 ft
- 8 main spans
- Daily traffic
- 13,250
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Al - 4 (us 78) over Little Cahaba Rv is a concrete continuous slab carrying Al - 4 (us 78) over Little Cahaba Rv in Jefferson County, Alabama. It was built in 1931, so it is 94 years old, older than the Alabama average of 51.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 13,250 vehicles a day, roughly 5% of them trucks, projected to reach 17,088 by 2044. The structure is 98 ft (29.9 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Al - 4 (us 78) over Little Cahaba Rv built?
It was built in 1931, making it 94 years old in 2025.
What condition is Al - 4 (us 78) over Little Cahaba Rv in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.
How much traffic does Al - 4 (us 78) over Little Cahaba Rv carry?
About 13,250 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Al - 4 (us 78) over Little Cahaba Rv?
The structure is 98 ft (29.9 m) long with a longest span of 13 ft (4 m) and a deck 32 ft wide.
Who owns Al - 4 (us 78) over Little Cahaba Rv?
It is owned by the State Highway Agency.