US Bridges

I-85 Ramp to 400 N over Buford Highway

Good

Fulton County, Georgia · In North Atlanta · Structure no. 000000012153550

Built
2014
11 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
232 ft
3 main spans
Daily traffic
13,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 Ramp to 400 N over Buford Highway is a prestressed concrete stringer/multi-beam or girder carrying I-85 Ramp to 400 N over Buford Highway in Fulton County, Georgia. It was built in 2014, so it is 11 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 13,000 vehicles a day, roughly 6% of them trucks, projected to reach 19,700 by 2035. The structure is 232 ft (70.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-85 Ramp to 400 N
CrossesBuford Highway
LocationIn North Atlanta
RouteInterstate 85
StateGeorgia
Coordinates33.82368, -84.35657
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
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating37.9 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length232 ft (70.7 m)
Longest span137 ft (41.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2024)
Projected traffic19,700 by 2035
Trucks6%
Lanes on structure2
Traffic directionOne-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$30.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-85 Ramp to 400 N over Buford Highway built?

It was built in 2014, making it 11 years old in 2025.

What condition is I-85 Ramp to 400 N over Buford Highway 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 Ramp to 400 N over Buford Highway carry?

About 13,000 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is I-85 Ramp to 400 N over Buford Highway?

The structure is 232 ft (70.7 m) long with a longest span of 137 ft (41.8 m) and a deck 31 ft wide.

Who owns I-85 Ramp to 400 N over Buford Highway?

It is owned by the State Highway Agency.