US Bridges

Rmp I-285 CBL-I-20 over I-285 Ccbl (sr 407)

Fair

Fulton County, Georgia · In W Atlanta · Structure no. 000000012102550

Built
1965
60 years old, rebuilt 1982
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
186 ft
3 main spans
Daily traffic
21,200
2024 count
Owner
State
State Highway Agency

About this bridge

Rmp I-285 CBL-I-20 over I-285 Ccbl (sr 407) is a steel stringer/multi-beam or girder carrying Rmp I-285 CBL-I-20 over I-285 Ccbl (sr 407) in Fulton County, Georgia. It was built in 1965 and reconstructed in 1982, so it is 60 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 21,200 vehicles a day, roughly 1% of them trucks, projected to reach 27,615 by 2032. The structure is 186 ft (56.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRmp I-285 CBL-I-20
CrossesI-285 Ccbl (sr 407)
LocationIn W Atlanta
RouteInterstate 285
CountyFulton County
StateGeorgia
Coordinates33.76612, -84.49414
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.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.9 US tons
Inventory rating21.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length186 ft (56.7 m)
Longest span84 ft (25.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,200 (2024)
Projected traffic27,615 by 2032
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$793,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rmp I-285 CBL-I-20 over I-285 Ccbl (sr 407) built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1982.

What condition is Rmp I-285 CBL-I-20 over I-285 Ccbl (sr 407) 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 June 2023.

How much traffic does Rmp I-285 CBL-I-20 over I-285 Ccbl (sr 407) carry?

About 21,200 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Rmp I-285 CBL-I-20 over I-285 Ccbl (sr 407)?

The structure is 186 ft (56.7 m) long with a longest span of 84 ft (25.6 m) and a deck 33 ft wide.

Who owns Rmp I-285 CBL-I-20 over I-285 Ccbl (sr 407)?

It is owned by the State Highway Agency.