US Bridges

I-85 U-Turn South over I-85

Good

DeKalb County, Georgia · 2.1 MI SE of Chamblee · Structure no. 000000008900670

Built
1980
45 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
2 main spans
Daily traffic
3,690
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 U-Turn South over I-85 is a steel continuous stringer/multi-beam or girder carrying I-85 U-Turn South over I-85 in DeKalb County, Georgia. It was built in 1980, so it is 45 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 3,690 vehicles a day, roughly 1% of them trucks, projected to reach 3,303 by 2031. The structure is 183 ft (55.8 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-85 U-Turn South
CrossesI-85
Location2.1 MI SE of Chamblee
RouteInterstate 85
StateGeorgia
Coordinates33.86444, -84.289
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length183 ft (55.8 m)
Longest span92 ft (28 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,690 (2024)
Projected traffic3,303 by 2031
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$780,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-85 U-Turn South over I-85 built?

It was built in 1980, making it 45 years old in 2025.

What condition is I-85 U-Turn South over I-85 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 U-Turn South over I-85 carry?

About 3,690 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-85 U-Turn South over I-85?

The structure is 183 ft (55.8 m) long with a longest span of 92 ft (28 m) and a deck 33 ft wide.

Who owns I-85 U-Turn South over I-85?

It is owned by the State Highway Agency.