I-20- Ramps over Cobb Creek
GoodDeKalb County, Georgia · 8 MI SE of Decatur · Structure no. 000000008900570
- Built
- 1958
- 67 years old, rebuilt 1966
- Condition
- Good
- inspected April 2024
- Type
- Culvert
- Concrete
- Length
- 45 ft
- 4 main spans
- Daily traffic
- 196,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-20- Ramps over Cobb Creek is a concrete culvert carrying I-20- Ramps over Cobb Creek in DeKalb County, Georgia. It was built in 1958 and reconstructed in 1966, 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 196,000 vehicles a day, roughly 1% of them trucks, projected to reach 271,425 by 2031. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-20- Ramps over Cobb Creek built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1966.
What condition is I-20- Ramps over Cobb 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 April 2024.
How much traffic does I-20- Ramps over Cobb Creek carry?
About 196,000 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is I-20- Ramps over Cobb Creek?
The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m).
Who owns I-20- Ramps over Cobb Creek?
It is owned by the State Highway Agency.