Al - 3 North over Al - 4 ( US 78)
FairJefferson County, Alabama · US 31 & 4th Ave So · Structure no. 009601
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected February 2025
- Type
- Tee Beam
- Concrete Continuous
- Length
- 205 ft
- 3 main spans
- Daily traffic
- 35,335
- 2025 count
- Owner
- State
- State Highway Agency
About this bridge
Al - 3 North over Al - 4 ( US 78) is a concrete continuous tee beam carrying Al - 3 North over Al - 4 ( US 78) in Jefferson County, Alabama. It was built in 1968, so it is 57 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 6 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 35,335 vehicles a day, roughly 3% of them trucks, projected to reach 45,390 by 2045. The structure is 205 ft (62.5 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Al - 3 North over Al - 4 ( US 78) built?
It was built in 1968, making it 57 years old in 2025.
What condition is Al - 3 North over Al - 4 ( US 78) 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 February 2025.
How much traffic does Al - 3 North over Al - 4 ( US 78) carry?
About 35,335 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Al - 3 North over Al - 4 ( US 78)?
The structure is 205 ft (62.5 m) long with a longest span of 78 ft (23.8 m) and a deck 57 ft wide.
Who owns Al - 3 North over Al - 4 ( US 78)?
It is owned by the State Highway Agency.