SR 311 over Big Slough
GoodPosted for loadDecatur County, Georgia · 1.7 MI N of Bainbridge · Structure no. 000000008700360
- Built
- 1959
- 66 years old
- Condition
- Good
- inspected October 2023
- Type
- Tee Beam
- Concrete
- Length
- 153 ft
- 5 main spans
- Daily traffic
- 1,490
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR 311 over Big Slough is a concrete tee beam carrying SR 311 over Big Slough in Decatur County, Georgia. It was built in 1959, so it is 66 years old, older than the Georgia average of 47.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.
It carries about 1,490 vehicles a day, roughly 8% of them trucks, projected to reach 2,580 by 2032. The structure is 153 ft (46.6 m) long and 30 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 311 over Big Slough built?
It was built in 1959, making it 66 years old in 2025.
What condition is SR 311 over Big Slough 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 October 2023.
How much traffic does SR 311 over Big Slough carry?
About 1,490 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is SR 311 over Big Slough?
The structure is 153 ft (46.6 m) long with a longest span of 33 ft (10.1 m) and a deck 30 ft wide.
Who owns SR 311 over Big Slough?
It is owned by the State Highway Agency.