St. Clair Road over Relief Ditch
GoodSt. Clair County, Alabama · 1.8 Miles West US 411 · Structure no. 019735
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 101 ft
- 3 main spans
- Daily traffic
- 1,200
- 2006 count
- Owner
- County
- County Highway Agency
About this bridge
St. Clair Road over Relief Ditch is a prestressed concrete continuous stringer/multi-beam or girder carrying St. Clair Road over Relief Ditch in St. Clair County, Alabama. It was built in 1983, so it is 42 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 1,200 vehicles a day, roughly 5% of them trucks, projected to reach 1,600 by 2030. The structure is 101 ft (30.8 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was St. Clair Road over Relief Ditch built?
It was built in 1983, making it 42 years old in 2025.
What condition is St. Clair Road over Relief Ditch 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 March 2023.
How much traffic does St. Clair Road over Relief Ditch carry?
About 1,200 vehicles per day (2006 count), of which roughly 5% are trucks.
How long is St. Clair Road over Relief Ditch?
The structure is 101 ft (30.8 m) long with a longest span of 33 ft (10.2 m) and a deck 39 ft wide.
Who owns St. Clair Road over Relief Ditch?
It is owned by the County Highway Agency.