I-85 over N. Fork Ptree Crk Trib
GoodDeKalb County, Georgia · 3.6 MI S of Chamblee · Structure no. 000000008903060
- Built
- 1956
- 69 years old, rebuilt 1981
- Condition
- Good
- inspected June 2024
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 206,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-85 over N. Fork Ptree Crk Trib is a concrete culvert carrying I-85 over N. Fork Ptree Crk Trib in DeKalb County, Georgia. It was built in 1956 and reconstructed in 1981, so it is 69 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 206,000 vehicles a day, roughly 1% of them trucks, projected to reach 300,225 by 2031. The structure is 24 ft (7.3 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-85 over N. Fork Ptree Crk Trib built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1981.
What condition is I-85 over N. Fork Ptree Crk Trib 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 June 2024.
How much traffic does I-85 over N. Fork Ptree Crk Trib carry?
About 206,000 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is I-85 over N. Fork Ptree Crk Trib?
The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).
Who owns I-85 over N. Fork Ptree Crk Trib?
It is owned by the State Highway Agency.