US Bridges

I-285 Ramp over I-285 Rmp to I-75 Nbl

Good

Clayton County, Georgia · 0.2 MI E of JCT I-75 · Structure no. 000000006300450

Built
1959
66 years old, rebuilt 1984
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
114 ft
3 main spans
Daily traffic
6,805
2024 count
Owner
State
State Highway Agency

About this bridge

I-285 Ramp over I-285 Rmp to I-75 Nbl is a steel stringer/multi-beam or girder carrying I-285 Ramp over I-285 Rmp to I-75 Nbl in Clayton County, Georgia. It was built in 1959 and reconstructed in 1984, so it is 66 years old, older 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 62,445 by 2032. The structure is 114 ft (34.7 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-285 Ramp
CrossesI-285 Rmp to I-75 Nbl
Location0.2 MI E of JCT I-75
RouteInterstate 285
CountyClayton County
StateGeorgia
Coordinates33.63322, -84.39877
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
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 evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating50.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length114 ft (34.7 m)
Longest span41 ft (12.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,805 (2024)
Projected traffic62,445 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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-285 Ramp over I-285 Rmp to I-75 Nbl built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1984.

What condition is I-285 Ramp over I-285 Rmp to I-75 Nbl 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-285 Ramp over I-285 Rmp to I-75 Nbl carry?

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

How long is I-285 Ramp over I-285 Rmp to I-75 Nbl?

The structure is 114 ft (34.7 m) long with a longest span of 41 ft (12.5 m) and a deck 47 ft wide.

Who owns I-285 Ramp over I-285 Rmp to I-75 Nbl?

It is owned by the State Highway Agency.