I-75 over SR 120 Loop
GoodCobb County, Georgia · In East Marietta · Structure no. 000000006700740
- Built
- 1967
- 58 years old, rebuilt 1990
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 193 ft
- 4 main spans
- Daily traffic
- 236,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-75 over SR 120 Loop is a steel stringer/multi-beam or girder carrying I-75 over SR 120 Loop in Cobb County, Georgia. It was built in 1967 and reconstructed in 1990, so it is 58 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 236,000 vehicles a day, roughly 1% of them trucks, projected to reach 338,010 by 2032. The structure is 193 ft (58.8 m) long and 172 ft wide. If it were closed, the detour would be 5 mi (8 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-75 over SR 120 Loop built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1990.
What condition is I-75 over SR 120 Loop 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 May 2023.
How much traffic does I-75 over SR 120 Loop carry?
About 236,000 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is I-75 over SR 120 Loop?
The structure is 193 ft (58.8 m) long with a longest span of 50 ft (15.2 m) and a deck 172 ft wide.
Who owns I-75 over SR 120 Loop?
It is owned by the State Highway Agency.