US Bridges

Covington Highway over I-285 (sr 407)

Good

DeKalb County, Georgia · 6MI SE of Decatur · Structure no. 000000008951800

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
323 ft
2 main spans
Daily traffic
34,300
2024 count
Owner
State
State Highway Agency

About this bridge

Covington Highway over I-285 (sr 407) is a prestressed concrete stringer/multi-beam or girder carrying Covington Highway over I-285 (sr 407) in DeKalb County, Georgia. It was built in 2022, so it is 3 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 3% of them trucks, projected to reach 43,150 by 2048. The structure is 323 ft (98.3 m) long and 97 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCovington Highway
CrossesI-285 (sr 407)
Location6MI SE of Decatur
RouteU.S. Route 278
StateGeorgia
Coordinates33.75258, -84.23179
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable 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 rating94.9 US tons
Inventory rating56 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length323 ft (98.3 m)
Longest span163 ft (49.7 m)
Deck width97 ft (29.7 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,300 (2024)
Projected traffic43,150 by 2048
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$43 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Covington Highway over I-285 (sr 407) built?

It was built in 2022, making it 3 years old in 2025.

What condition is Covington Highway 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 2024.

How much traffic does Covington Highway over I-285 (sr 407) carry?

About 34,300 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Covington Highway over I-285 (sr 407)?

The structure is 323 ft (98.3 m) long with a longest span of 163 ft (49.7 m) and a deck 97 ft wide.

Who owns Covington Highway over I-285 (sr 407)?

It is owned by the State Highway Agency.