I-675 Sbl over I-285 (sr 407)
GoodDeKalb County, Georgia · 7 MI S of Decatur · Structure no. 000000008902900
- Built
- 1984
- 41 years old, rebuilt 2022
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 452 ft
- 3 main spans
- Daily traffic
- 60,300
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-675 Sbl over I-285 (sr 407) is a steel continuous stringer/multi-beam or girder carrying I-675 Sbl over I-285 (sr 407) in DeKalb County, Georgia. It was built in 1984 and reconstructed in 2022, so it is 41 years old, younger 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 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 60,300 vehicles a day, roughly 13% of them trucks, projected to reach 112,215 by 2031. The structure is 452 ft (137.8 m) long and 45 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 I-675 Sbl over I-285 (sr 407) built?
It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2022.
What condition is I-675 Sbl over I-285 (sr 407) 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 2024.
How much traffic does I-675 Sbl over I-285 (sr 407) carry?
About 60,300 vehicles per day (2024 count), of which roughly 13% are trucks.
How long is I-675 Sbl over I-285 (sr 407)?
The structure is 452 ft (137.8 m) long with a longest span of 170 ft (51.8 m) and a deck 45 ft wide.
Who owns I-675 Sbl over I-285 (sr 407)?
It is owned by the State Highway Agency.