State Bridge Road over Big Creek Tributary
GoodFulton County, Georgia · In Alpharetta @ SR 400 · Structure no. 000000012100760
- Built
- 1955
- 70 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 48,400
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
State Bridge Road over Big Creek Tributary is a concrete culvert carrying State Bridge Road over Big Creek Tributary in Fulton County, Georgia. It was built in 1955, so it is 70 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 48,400 vehicles a day, roughly 1% of them trucks, projected to reach 80,160 by 2031. The structure is 21 ft (6.4 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 State Bridge Road over Big Creek Tributary built?
It was built in 1955, making it 70 years old in 2025.
What condition is State Bridge Road over Big Creek Tributary 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 September 2023.
How much traffic does State Bridge Road over Big Creek Tributary carry?
About 48,400 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is State Bridge Road over Big Creek Tributary?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns State Bridge Road over Big Creek Tributary?
It is owned by the State Highway Agency.