I-75 Managed Lanes over North Marietta Parkway
GoodCobb County, Georgia · In East Marietta · Structure no. 000000006753300
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 439 ft
- 4 main spans
- Daily traffic
- 225,340
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-75 Managed Lanes over North Marietta Parkway is a prestressed concrete stringer/multi-beam or girder carrying I-75 Managed Lanes over North Marietta Parkway in Cobb County, Georgia. It was built in 2018, so it is 7 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 225,340 vehicles a day, projected to reach 338,010 by 2032. The structure is 439 ft (133.8 m) long and 39 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 Managed Lanes over North Marietta Parkway built?
It was built in 2018, making it 7 years old in 2025.
What condition is I-75 Managed Lanes over North Marietta Parkway 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 February 2024.
How much traffic does I-75 Managed Lanes over North Marietta Parkway carry?
About 225,340 vehicles per day (2024 count).
How long is I-75 Managed Lanes over North Marietta Parkway?
The structure is 439 ft (133.8 m) long with a longest span of 145 ft (44.2 m) and a deck 39 ft wide.
Who owns I-75 Managed Lanes over North Marietta Parkway?
It is owned by the State Highway Agency.