US Bridges

SR 139 over I-285 (sr 407)

Good

Clayton County, Georgia · 2.3 MI W of JCT I-75 · Structure no. 000000006300200

Built
1984
41 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
338 ft
2 main spans
Daily traffic
34,300
2024 count
Owner
State
State Highway Agency

About this bridge

SR 139 over I-285 (sr 407) is a steel continuous stringer/multi-beam or girder carrying SR 139 over I-285 (sr 407) in Clayton County, Georgia. It was built in 1984, so it is 41 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 34,300 vehicles a day, roughly 1% of them trucks, projected to reach 47,955 by 2032. The structure is 338 ft (103 m) long and 115 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 139
CrossesI-285 (sr 407)
Location2.3 MI W of JCT I-75
RouteState Highway 139
StateGeorgia
Coordinates33.61701, -84.43852
Functional classUrban Minor Arterial

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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length338 ft (103 m)
Longest span140 ft (42.7 m)
Deck width115 ft (34.9 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,300 (2024)
Projected traffic47,955 by 2032
Trucks1%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1984, making it 41 years old in 2025.

What condition is 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 SR 139 over I-285 (sr 407) carry?

About 34,300 vehicles per day (2024 count), of which roughly 1% are trucks.

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

The structure is 338 ft (103 m) long with a longest span of 140 ft (42.7 m) and a deck 115 ft wide.

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

It is owned by the State Highway Agency.