US Bridges

Rmp I-20 to SR 139 over I-285 (sr 407)

Good

Fulton County, Georgia · In W Atlanta · Structure no. 000000012101890

Built
1979
46 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
551 ft
4 main spans
Daily traffic
6,805
2024 count
Owner
State
State Highway Agency

About this bridge

Rmp I-20 to SR 139 over I-285 (sr 407) is a steel continuous stringer/multi-beam or girder carrying Rmp I-20 to SR 139 over I-285 (sr 407) in Fulton County, Georgia. It was built in 1979, so it is 46 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 6,805 vehicles a day, roughly 1% of them trucks, projected to reach 6,960 by 2032. The structure is 551 ft (167.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRmp I-20 to SR 139
CrossesI-285 (sr 407)
LocationIn W Atlanta
RouteInterstate 20
StateGeorgia
Coordinates33.76079, -84.49325
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 inspectionJune 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 rating94.9 US tons
Inventory rating57 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length551 ft (167.9 m)
Longest span179 ft (54.6 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,805 (2024)
Projected traffic6,960 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$2.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rmp I-20 to SR 139 over I-285 (sr 407) built?

It was built in 1979, making it 46 years old in 2025.

What condition is Rmp I-20 to SR 139 over I-285 (sr 407) 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 June 2023.

How much traffic does Rmp I-20 to SR 139 over I-285 (sr 407) carry?

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

How long is Rmp I-20 to SR 139 over I-285 (sr 407)?

The structure is 551 ft (167.9 m) long with a longest span of 179 ft (54.6 m) and a deck 31 ft wide.

Who owns Rmp I-20 to SR 139 over I-285 (sr 407)?

It is owned by the State Highway Agency.