US Bridges

285 to 400N over I-285

Good

Fulton County, Georgia · 285R-400N · Structure no. 000000012154260

Built
2022
3 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
1,199 ft
8 main spans
Daily traffic
27,000
2024 count
Owner
State
State Highway Agency

About this bridge

285 to 400N over I-285 is a concrete stringer/multi-beam or girder carrying 285 to 400N over I-285 in Fulton 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 27,000 vehicles a day, roughly 7% of them trucks, projected to reach 15,750 by 2039. The structure is 1,199 ft (365.5 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries285 to 400N
CrossesI-285
Location285R-400N
RouteU.S. Route 285
StateGeorgia
Coordinates33.91071, -84.35719
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating51.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans8 (+1 approach)
Design loadHL 93
Structure length1,199 ft (365.5 m)
Longest span181 ft (55.2 m)
Deck width49 ft (14.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,000 (2024)
Projected traffic15,750 by 2039
Trucks7%
Lanes on structure2
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 285 to 400N over I-285 built?

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

What condition is 285 to 400N over I-285 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 285 to 400N over I-285 carry?

About 27,000 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is 285 to 400N over I-285?

The structure is 1,199 ft (365.5 m) long with a longest span of 181 ft (55.2 m) and a deck 49 ft wide.

Who owns 285 to 400N over I-285?

It is owned by the State Highway Agency.