SR1/US431 over SR21
GoodCalhoun County, Alabama · Intersection of SR1/SR21 · Structure no. 019356
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 529 ft
- 5 main spans
- Daily traffic
- 5,042
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR1/US431 over SR21 is a prestressed concrete stringer/multi-beam or girder carrying SR1/US431 over SR21 in Calhoun County, Alabama. It was built in 2011, so it is 14 years old, younger than the Alabama average of 51.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 5,042 vehicles a day, roughly 9% of them trucks, projected to reach 7,058 by 2042. The structure is 529 ft (161.2 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR1/US431 over SR21 built?
It was built in 2011, making it 14 years old in 2025.
What condition is SR1/US431 over SR21 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.
How much traffic does SR1/US431 over SR21 carry?
About 5,042 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is SR1/US431 over SR21?
The structure is 529 ft (161.2 m) long with a longest span of 130 ft (39.6 m) and a deck 55 ft wide.
Who owns SR1/US431 over SR21?
It is owned by the State Highway Agency.