US Bridges

Ramp for I-285 Cbl over US 78/ SR 410

Good

DeKalb County, Georgia · 0.8 MI NW of Clarkston · Structure no. 000000008951630

Built
2002
23 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
275 ft
2 main spans
Daily traffic
18,300
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp for I-285 Cbl over US 78/ SR 410 is a prestressed concrete stringer/multi-beam or girder carrying Ramp for I-285 Cbl over US 78/ SR 410 in DeKalb County, Georgia. It was built in 2002, so it is 23 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 18,300 vehicles a day, roughly 1% of them trucks, projected to reach 27,015 by 2031. The structure is 275 ft (83.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp for I-285 Cbl
CrossesUS 78/ SR 410
Location0.8 MI NW of Clarkston
RouteInterstate 407
StateGeorgia
Coordinates33.81567, -84.25206
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 2024
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 alignment7: Better than present minimum criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length275 ft (83.8 m)
Longest span145 ft (44.2 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,300 (2024)
Projected traffic27,015 by 2031
Trucks1%
Lanes on structure2
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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp for I-285 Cbl over US 78/ SR 410 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Ramp for I-285 Cbl over US 78/ SR 410 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 Ramp for I-285 Cbl over US 78/ SR 410 carry?

About 18,300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Ramp for I-285 Cbl over US 78/ SR 410?

The structure is 275 ft (83.8 m) long with a longest span of 145 ft (44.2 m) and a deck 40 ft wide.

Who owns Ramp for I-285 Cbl over US 78/ SR 410?

It is owned by the State Highway Agency.