I-20 over M-9025 Six Flags Road
GoodCobb County, Georgia · 5.5 MI SE of Austell · Structure no. 000000006700890
- Built
- 1963
- 62 years old, rebuilt 1979
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 147 ft
- 3 main spans
- Daily traffic
- 153,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-20 over M-9025 Six Flags Road is a steel stringer/multi-beam or girder carrying I-20 over M-9025 Six Flags Road in Cobb County, Georgia. It was built in 1963 and reconstructed in 1979, so it is 62 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 153,000 vehicles a day, roughly 1% of them trucks, projected to reach 188,775 by 2032. The structure is 147 ft (44.8 m) long and 137 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-20 over M-9025 Six Flags Road built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1979.
What condition is I-20 over M-9025 Six Flags Road 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 2023.
How much traffic does I-20 over M-9025 Six Flags Road carry?
About 153,000 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is I-20 over M-9025 Six Flags Road?
The structure is 147 ft (44.8 m) long with a longest span of 53 ft (16.2 m) and a deck 137 ft wide.
Who owns I-20 over M-9025 Six Flags Road?
It is owned by the State Highway Agency.