I-285 NB on Ramp over I-285 Rmp Cb to I-85 SB
GoodDeKalb County, Georgia · 2.3 MI E of Chamblee · Structure no. 000000008902770
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 512 ft
- 3 main spans
- Daily traffic
- 8,660
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-285 NB on Ramp over I-285 Rmp Cb to I-85 SB is a prestressed concrete continuous box beam or girders - single or spread carrying I-285 NB on Ramp over I-285 Rmp Cb to I-85 SB in DeKalb County, Georgia. It was built in 1987, so it is 38 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 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 8,660 vehicles a day, roughly 1% of them trucks, projected to reach 3,303 by 2031. The structure is 512 ft (156.1 m) long and 33 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-285 NB on Ramp over I-285 Rmp Cb to I-85 SB built?
It was built in 1987, making it 38 years old in 2025.
What condition is I-285 NB on Ramp over I-285 Rmp Cb to I-85 SB 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 August 2024.
How much traffic does I-285 NB on Ramp over I-285 Rmp Cb to I-85 SB carry?
About 8,660 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is I-285 NB on Ramp over I-285 Rmp Cb to I-85 SB?
The structure is 512 ft (156.1 m) long with a longest span of 195 ft (59.4 m) and a deck 33 ft wide.
Who owns I-285 NB on Ramp over I-285 Rmp Cb to I-85 SB?
It is owned by the State Highway Agency.