US Bridges

I-85 Ramp Nbl over South River

Fair

Fulton County, Georgia · In South Atlanta · Structure no. 000000012102020

Built
1963
62 years old, rebuilt 1988
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
155 ft
3 main spans
Daily traffic
6,805
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 Ramp Nbl over South River is a steel stringer/multi-beam or girder carrying I-85 Ramp Nbl over South River in Fulton County, Georgia. It was built in 1963 and reconstructed in 1988, so it is 62 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,805 vehicles a day, roughly 1% of them trucks, projected to reach 24,495 by 2032. The structure is 155 ft (47.2 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-85 Ramp Nbl
CrossesSouth River
LocationIn South Atlanta
RouteInterstate 85
StateGeorgia
Coordinates33.68623, -84.40064
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length155 ft (47.2 m)
Longest span53 ft (16.2 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 traffic24,495 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-85 Ramp Nbl over South River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1988.

What condition is I-85 Ramp Nbl over South River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does I-85 Ramp Nbl over South River carry?

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

How long is I-85 Ramp Nbl over South River?

The structure is 155 ft (47.2 m) long with a longest span of 53 ft (16.2 m) and a deck 45 ft wide.

Who owns I-85 Ramp Nbl over South River?

It is owned by the State Highway Agency.