SR 120 over Mud Creek
GoodCobb County, Georgia · 5 MI W of Marietta · Structure no. 000000006700380
- Built
- 1945
- 80 years old, rebuilt 1993
- Condition
- Good
- inspected March 2023
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 38,100
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR 120 over Mud Creek is a concrete culvert carrying SR 120 over Mud Creek in Cobb County, Georgia. It was built in 1945 and reconstructed in 1993, so it is 80 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 38,100 vehicles a day, roughly 1% of them trucks, projected to reach 51,780 by 2032. The structure is 22 ft (6.7 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 120 over Mud Creek built?
It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1993.
What condition is SR 120 over Mud 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 March 2023.
How much traffic does SR 120 over Mud Creek carry?
About 38,100 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is SR 120 over Mud Creek?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).
Who owns SR 120 over Mud Creek?
It is owned by the State Highway Agency.