I-85 Sbl over Sweetwater Creek
GoodGwinnett County, Georgia · 3.5 MI SE of Duluth · Structure no. 000000013500530
- Built
- 1958
- 67 years old, rebuilt 2008
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 152 ft
- 3 main spans
- Daily traffic
- 255,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-85 Sbl over Sweetwater Creek is a prestressed concrete stringer/multi-beam or girder carrying I-85 Sbl over Sweetwater Creek in Gwinnett County, Georgia. It was built in 1958 and reconstructed in 2008, so it is 67 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.
It carries about 255,000 vehicles a day, roughly 12% of them trucks, projected to reach 220,350 by 2032. The structure is 152 ft (46.3 m) long and 117 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-85 Sbl over Sweetwater Creek built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2008.
What condition is I-85 Sbl over Sweetwater Creek 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 February 2024.
How much traffic does I-85 Sbl over Sweetwater Creek carry?
About 255,000 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is I-85 Sbl over Sweetwater Creek?
The structure is 152 ft (46.3 m) long with a longest span of 56 ft (17.1 m) and a deck 117 ft wide.
Who owns I-85 Sbl over Sweetwater Creek?
It is owned by the State Highway Agency.