US Bridges

I-85 over N Fork Peachtree Creek

Good

DeKalb County, Georgia · 1.3 MI SE of Doraville · Structure no. 000000008900660

Built
1957
68 years old, rebuilt 1985
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
296,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 over N Fork Peachtree Creek is a concrete culvert carrying I-85 over N Fork Peachtree Creek in DeKalb County, Georgia. It was built in 1957 and reconstructed in 1985, so it is 68 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 296,000 vehicles a day, roughly 1% of them trucks, projected to reach 441,555 by 2031. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-85
CrossesN Fork Peachtree Creek
Location1.3 MI SE of Doraville
RouteInterstate 85
StateGeorgia
Coordinates33.90486, -84.23784
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic296,000 (2024)
Projected traffic441,555 by 2031
Trucks1%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$546,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-85 over N Fork Peachtree Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1985.

What condition is I-85 over N Fork Peachtree 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 July 2024.

How much traffic does I-85 over N Fork Peachtree Creek carry?

About 296,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-85 over N Fork Peachtree Creek?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m).

Who owns I-85 over N Fork Peachtree Creek?

It is owned by the State Highway Agency.