US Bridges

I-285 over SR 314

Good

Clayton County, Georgia · 3 MI W of JCT I-75 · Structure no. 000000006300540

Built
1985
40 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
170 ft
3 main spans
Daily traffic
136,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-285 over SR 314 is a steel continuous stringer/multi-beam or girder carrying I-285 over SR 314 in Clayton County, Georgia. It was built in 1985, so it is 40 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 136,000 vehicles a day, roughly 1% of them trucks, projected to reach 235,995 by 2032. The structure is 170 ft (51.8 m) long and 187 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-285
CrossesSR 314
Location3 MI W of JCT I-75
RouteInterstate 285
CountyClayton County
StateGeorgia
Coordinates33.6172, -84.44977
Functional classUrban Principal Arterial - Interstate

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.
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 rating37.9 US tons
Inventory rating21.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length170 ft (51.8 m)
Longest span86 ft (26.2 m)
Deck width187 ft (57 m)
Roadway width177 ft (54.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136,000 (2024)
Projected traffic235,995 by 2032
Trucks1%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 I-285 over SR 314 built?

It was built in 1985, making it 40 years old in 2025.

What condition is I-285 over SR 314 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 I-285 over SR 314 carry?

About 136,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-285 over SR 314?

The structure is 170 ft (51.8 m) long with a longest span of 86 ft (26.2 m) and a deck 187 ft wide.

Who owns I-285 over SR 314?

It is owned by the State Highway Agency.