US Bridges

Rmp I-285 Ccbl-Off over I-85- 2 I-85 Ramp

Good

DeKalb County, Georgia · 2.4 MI E of Chamblee · Structure no. 000000008902790

Built
1985
40 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
1,110 ft
7 main spans
Daily traffic
8,360
2024 count
Owner
State
State Highway Agency

About this bridge

Rmp I-285 Ccbl-Off over I-85- 2 I-85 Ramp is a prestressed concrete continuous box beam or girders - single or spread carrying Rmp I-285 Ccbl-Off over I-85- 2 I-85 Ramp in DeKalb County, Georgia. It was built in 1985, so it is 40 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 8,360 vehicles a day, roughly 1% of them trucks, projected to reach 12,465 by 2031. The structure is 1,110 ft (338.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRmp I-285 Ccbl-Off
CrossesI-85- 2 I-85 Ramp
Location2.4 MI E of Chamblee
RouteInterstate 285
CountyDeKalb County
StateGeorgia
Coordinates33.89302, -84.25964
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 inspectionAugust 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 alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating38.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length1,110 ft (338.3 m)
Longest span164 ft (50 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck19 ft (5.7 m)

Traffic and service

Average daily traffic8,360 (2024)
Projected traffic12,465 by 2031
Trucks1%
Lanes on structure1
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$4.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rmp I-285 Ccbl-Off over I-85- 2 I-85 Ramp built?

It was built in 1985, making it 40 years old in 2025.

What condition is Rmp I-285 Ccbl-Off over I-85- 2 I-85 Ramp 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 August 2024.

How much traffic does Rmp I-285 Ccbl-Off over I-85- 2 I-85 Ramp carry?

About 8,360 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Rmp I-285 Ccbl-Off over I-85- 2 I-85 Ramp?

The structure is 1,110 ft (338.3 m) long with a longest span of 164 ft (50 m) and a deck 33 ft wide.

Who owns Rmp I-285 Ccbl-Off over I-85- 2 I-85 Ramp?

It is owned by the State Highway Agency.