Al 21 over Big Swamp Creek Relief
FairLowndes County, Alabama · 1.9 Mi.S.Of Hayneville · Structure no. 012692
- Built
- 1979
- 46 years old, rebuilt 1982
- Condition
- Fair
- inspected July 2024
- Type
- Channel Beam
- Concrete
- Length
- 170 ft
- 5 main spans
- Daily traffic
- 3,930
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
Al 21 over Big Swamp Creek Relief is a concrete channel beam carrying Al 21 over Big Swamp Creek Relief in Lowndes County, Alabama. It was built in 1979 and reconstructed in 1982, so it is 46 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 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 3,930 vehicles a day, roughly 3% of them trucks, projected to reach 4,901 by 2033. The structure is 170 ft (51.8 m) long and 44 ft wide. If it were closed, the detour would be 31.1 mi (50 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Al 21 over Big Swamp Creek Relief built?
It was built in 1979, making it 46 years old in 2025. It was reconstructed in 1982.
What condition is Al 21 over Big Swamp Creek Relief 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 July 2024.
How much traffic does Al 21 over Big Swamp Creek Relief carry?
About 3,930 vehicles per day (2013 count), of which roughly 3% are trucks.
How long is Al 21 over Big Swamp Creek Relief?
The structure is 170 ft (51.8 m) long with a longest span of 34 ft (10.4 m) and a deck 44 ft wide.
Who owns Al 21 over Big Swamp Creek Relief?
It is owned by the State Highway Agency.