US Bridges

I-75 over SR 76 Gafl RR

Good

Cook County, Georgia · South Adel · Structure no. 000000007500210

Built
1960
65 years old, rebuilt 2006
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
343 ft
6 main spans
Daily traffic
55,500
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 over SR 76 Gafl RR is a steel stringer/multi-beam or girder carrying I-75 over SR 76 Gafl RR in Cook County, Georgia. It was built in 1960 and reconstructed in 2006, so it is 65 years old, older 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 55,500 vehicles a day, roughly 1% of them trucks, projected to reach 52,950 by 2031. The structure is 343 ft (104.5 m) long and 132 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-75
CrossesSR 76 Gafl RR
LocationSouth Adel
RouteInterstate 75
StateGeorgia
Coordinates31.12486, -83.43414
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 inspectionOctober 2024
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 alignment6: Equal to present minimum criteria
Operating rating36.9 US tons
Inventory rating21.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length343 ft (104.5 m)
Longest span61 ft (18.6 m)
Deck width132 ft (40.2 m)
Roadway width126 ft (38.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,500 (2024)
Projected traffic52,950 by 2031
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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$4.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 over SR 76 Gafl RR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2006.

What condition is I-75 over SR 76 Gafl 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 October 2024.

How much traffic does I-75 over SR 76 Gafl RR carry?

About 55,500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 over SR 76 Gafl RR?

The structure is 343 ft (104.5 m) long with a longest span of 61 ft (18.6 m) and a deck 132 ft wide.

Who owns I-75 over SR 76 Gafl RR?

It is owned by the State Highway Agency.