US Bridges

Lankford Parkway over I-75- 3 SR166 Rmp- I-85R

Good

Fulton County, Georgia · SR 166 & I-75 · Structure no. 000000012101040

Built
1986
39 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
570 ft
6 main spans
Daily traffic
20,600
2024 count
Owner
State
State Highway Agency

About this bridge

Lankford Parkway over I-75- 3 SR166 Rmp- I-85R is a steel continuous stringer/multi-beam or girder carrying Lankford Parkway over I-75- 3 SR166 Rmp- I-85R in Fulton County, Georgia. It was built in 1986, so it is 39 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 20,600 vehicles a day, roughly 1% of them trucks, projected to reach 85,845 by 2032. The structure is 570 ft (173.7 m) long and 91 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLankford Parkway
CrossesI-75- 3 SR166 Rmp- I-85R
LocationSR 166 & I-75
RouteState Highway 166
StateGeorgia
Coordinates33.69707, -84.4045
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating22.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length570 ft (173.7 m)
Longest span108 ft (32.9 m)
Deck width91 ft (27.8 m)
Roadway width85 ft (25.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,600 (2024)
Projected traffic85,845 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lankford Parkway over I-75- 3 SR166 Rmp- I-85R built?

It was built in 1986, making it 39 years old in 2025.

What condition is Lankford Parkway over I-75- 3 SR166 Rmp- I-85R 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 Lankford Parkway over I-75- 3 SR166 Rmp- I-85R carry?

About 20,600 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Lankford Parkway over I-75- 3 SR166 Rmp- I-85R?

The structure is 570 ft (173.7 m) long with a longest span of 108 ft (32.9 m) and a deck 91 ft wide.

Who owns Lankford Parkway over I-75- 3 SR166 Rmp- I-85R?

It is owned by the State Highway Agency.