US Bridges

I-675 (sbl) over Norfolk Southern RR

Good

Clayton County, Georgia · 0.8 MI E of Fort Gillem · Structure no. 000000006301320

Built
1984
41 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
218 ft
3 main spans
Daily traffic
77,700
2024 count
Owner
State
State Highway Agency

About this bridge

I-675 (sbl) over Norfolk Southern RR is a prestressed concrete stringer/multi-beam or girder carrying I-675 (sbl) over Norfolk Southern RR 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 77,700 vehicles a day, roughly 1% of them trucks, projected to reach 100,065 by 2032. The structure is 218 ft (66.4 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-675 (sbl)
CrossesNorfolk Southern RR
Location0.8 MI E of Fort Gillem
RouteInterstate 675
CountyClayton County
StateGeorgia
Coordinates33.62323, -84.29838
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 rating61 US tons
Inventory rating36.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length218 ft (66.4 m)
Longest span73 ft (22.3 m)
Deck width65 ft (19.9 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,700 (2024)
Projected traffic100,065 by 2032
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 I-675 (sbl) over Norfolk Southern RR built?

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

What condition is I-675 (sbl) over Norfolk Southern RR 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 April 2023.

How much traffic does I-675 (sbl) over Norfolk Southern RR carry?

About 77,700 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-675 (sbl) over Norfolk Southern RR?

The structure is 218 ft (66.4 m) long with a longest span of 73 ft (22.3 m) and a deck 65 ft wide.

Who owns I-675 (sbl) over Norfolk Southern RR?

It is owned by the State Highway Agency.