I - 459 South over I - 20/59
FairJefferson County, Alabama · I459 * I59 at Mccalla · Structure no. 011739
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 322 ft
- 4 main spans
- Daily traffic
- 23,500
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I - 459 South over I - 20/59 is a steel continuous stringer/multi-beam or girder carrying I - 459 South over I - 20/59 in Jefferson County, Alabama. It was built in 1977, so it is 48 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 23,500 vehicles a day, roughly 22% of them trucks, projected to reach 29,714 by 2044. The structure is 322 ft (98.1 m) long and 42 ft wide.
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 I - 459 South over I - 20/59 built?
It was built in 1977, making it 48 years old in 2025.
What condition is I - 459 South over I - 20/59 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 November 2024.
How much traffic does I - 459 South over I - 20/59 carry?
About 23,500 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is I - 459 South over I - 20/59?
The structure is 322 ft (98.1 m) long with a longest span of 89 ft (27.1 m) and a deck 42 ft wide.
Who owns I - 459 South over I - 20/59?
It is owned by the State Highway Agency.