I - 59 North over 77th Street
FairJefferson County, Alabama · I59 * 77th Street · Structure no. 011560
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 198 ft
- 3 main spans
- Daily traffic
- 33,120
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I - 59 North over 77th Street is a steel continuous stringer/multi-beam or girder carrying I - 59 North over 77th Street in Jefferson County, Alabama. It was built in 1976, so it is 49 years old, younger 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 33,120 vehicles a day, roughly 9% of them trucks, projected to reach 40,976 by 2043. The structure is 198 ft (60.5 m) long and 54 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I - 59 North over 77th Street built?
It was built in 1976, making it 49 years old in 2025.
What condition is I - 59 North over 77th Street 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 2023.
How much traffic does I - 59 North over 77th Street carry?
About 33,120 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I - 59 North over 77th Street?
The structure is 198 ft (60.5 m) long with a longest span of 86 ft (26.2 m) and a deck 54 ft wide.
Who owns I - 59 North over 77th Street?
It is owned by the State Highway Agency.