I - 20/59 North over Coosa ST Sou Ss * IRR
FairJefferson County, Alabama · I59 * Coosa ST · Structure no. 010500
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,091 ft
- 15 main spans
- Daily traffic
- 76,895
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I - 20/59 North over Coosa ST Sou Ss * IRR is a steel continuous stringer/multi-beam or girder carrying I - 20/59 North over Coosa ST Sou Ss * IRR in Jefferson County, Alabama. It was built in 1971, so it is 54 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 76,895 vehicles a day, roughly 10% of them trucks, projected to reach 95,135 by 2044. The structure is 1,091 ft (332.5 m) long and 64 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 I - 20/59 North over Coosa ST Sou Ss * IRR built?
It was built in 1971, making it 54 years old in 2025.
What condition is I - 20/59 North over Coosa ST Sou Ss * IRR 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 2024.
How much traffic does I - 20/59 North over Coosa ST Sou Ss * IRR carry?
About 76,895 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is I - 20/59 North over Coosa ST Sou Ss * IRR?
The structure is 1,091 ft (332.5 m) long with a longest span of 86 ft (26.2 m) and a deck 64 ft wide.
Who owns I - 20/59 North over Coosa ST Sou Ss * IRR?
It is owned by the State Highway Agency.