US Bridges

I-85R NB to SR 166 over I-75- 2 I-75 Ramps

Good

Fulton County, Georgia · In South Atlanta · Structure no. 000000012106390

Built
1988
37 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
550 ft
3 main spans
Daily traffic
6,805
2024 count
Owner
State
State Highway Agency

About this bridge

I-85R NB to SR 166 over I-75- 2 I-75 Ramps is a prestressed concrete continuous box beam or girders - single or spread carrying I-85R NB to SR 166 over I-75- 2 I-75 Ramps in Fulton County, Georgia. It was built in 1988, so it is 37 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 6,805 vehicles a day, roughly 1% of them trucks, projected to reach 6,960 by 2032. The structure is 550 ft (167.6 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-85R NB to SR 166
CrossesI-75- 2 I-75 Ramps
LocationIn South Atlanta
RouteInterstate 85
StateGeorgia
Coordinates33.68803, -84.39958
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
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 rating61 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length550 ft (167.6 m)
Longest span232 ft (70.7 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,805 (2024)
Projected traffic6,960 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-85R NB to SR 166 over I-75- 2 I-75 Ramps built?

It was built in 1988, making it 37 years old in 2025.

What condition is I-85R NB to SR 166 over I-75- 2 I-75 Ramps 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 I-85R NB to SR 166 over I-75- 2 I-75 Ramps carry?

About 6,805 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-85R NB to SR 166 over I-75- 2 I-75 Ramps?

The structure is 550 ft (167.6 m) long with a longest span of 232 ft (70.7 m) and a deck 45 ft wide.

Who owns I-85R NB to SR 166 over I-75- 2 I-75 Ramps?

It is owned by the State Highway Agency.