US Bridges

I-85 Nbl over I-75 N&s H.O.V.

Good

Fulton County, Georgia · In N Atlanta · Structure no. 000000012105470

Built
1984
41 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
306 ft
4 main spans
Daily traffic
201,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 Nbl over I-75 N&s H.O.V. is a prestressed concrete stringer/multi-beam or girder carrying I-85 Nbl over I-75 N&s H.O.V. in Fulton County, Georgia. It was built in 1984, so it is 41 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 201,000 vehicles a day, roughly 1% of them trucks, projected to reach 249,900 by 2032. The structure is 306 ft (93.3 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-85 Nbl
CrossesI-75 N&s H.O.V.
LocationIn N Atlanta
RouteInterstate 85
StateGeorgia
Coordinates33.79245, -84.39149
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 inspectionMay 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 rating44 US tons
Inventory rating25.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length306 ft (93.3 m)
Longest span89 ft (27.1 m)
Deck width79 ft (24.2 m)
Roadway width76 ft (23.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic201,000 (2024)
Projected traffic249,900 by 2032
Trucks1%
Lanes on structure4
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$2.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-85 Nbl over I-75 N&s H.O.V. built?

It was built in 1984, making it 41 years old in 2025.

What condition is I-85 Nbl over I-75 N&s H.O.V. 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 May 2023.

How much traffic does I-85 Nbl over I-75 N&s H.O.V. carry?

About 201,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-85 Nbl over I-75 N&s H.O.V.?

The structure is 306 ft (93.3 m) long with a longest span of 89 ft (27.1 m) and a deck 79 ft wide.

Who owns I-85 Nbl over I-75 N&s H.O.V.?

It is owned by the State Highway Agency.