US Bridges

I-285 Cbl over SR 410 Stone Mt Freeway

Good

DeKalb County, Georgia · 0.8 MI NW of Clarkston · Structure no. 000000008900850

Built
1967
58 years old, rebuilt 1983
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
263 ft
4 main spans
Daily traffic
194,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-285 Cbl over SR 410 Stone Mt Freeway is a steel stringer/multi-beam or girder carrying I-285 Cbl over SR 410 Stone Mt Freeway in DeKalb County, Georgia. It was built in 1967 and reconstructed in 1983, so it is 58 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 194,000 vehicles a day, roughly 1% of them trucks, projected to reach 275,835 by 2031. The structure is 263 ft (80.2 m) long and 97 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-285 Cbl
CrossesSR 410 Stone Mt Freeway
Location0.8 MI NW of Clarkston
RouteInterstate 285
StateGeorgia
Coordinates33.81576, -84.25174
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length263 ft (80.2 m)
Longest span83 ft (25.3 m)
Deck width97 ft (29.7 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic194,000 (2024)
Projected traffic275,835 by 2031
Trucks1%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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-285 Cbl over SR 410 Stone Mt Freeway built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1983.

What condition is I-285 Cbl over SR 410 Stone Mt Freeway 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 2024.

How much traffic does I-285 Cbl over SR 410 Stone Mt Freeway carry?

About 194,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-285 Cbl over SR 410 Stone Mt Freeway?

The structure is 263 ft (80.2 m) long with a longest span of 83 ft (25.3 m) and a deck 97 ft wide.

Who owns I-285 Cbl over SR 410 Stone Mt Freeway?

It is owned by the State Highway Agency.