US Bridges

I-75 over Chattahoochee River

Good

Fulton County, Georgia · In N Atlanta · Structure no. 000000012101590

Built
1964
61 years old, rebuilt 1998
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,020 ft
17 main spans
Daily traffic
183,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 over Chattahoochee River is a prestressed concrete stringer/multi-beam or girder carrying I-75 over Chattahoochee River in Fulton County, Georgia. It was built in 1964 and reconstructed in 1998, so it is 61 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 183,000 vehicles a day, roughly 4% of them trucks, projected to reach 262,200 by 2030. The structure is 1,020 ft (310.9 m) long and 193 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI-75
CrossesChattahoochee River
LocationIn N Atlanta
RouteInterstate 75
StateGeorgia
Coordinates33.87549, -84.44765
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans17
Design loadHS 20 + Mod
Structure length1,020 ft (310.9 m)
Longest span60 ft (18.3 m)
Deck width193 ft (58.9 m)
Roadway width190 ft (57.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183,000 (2024)
Projected traffic262,200 by 2030
Trucks4%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$22.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 over Chattahoochee River built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1998.

What condition is I-75 over Chattahoochee River 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-75 over Chattahoochee River carry?

About 183,000 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is I-75 over Chattahoochee River?

The structure is 1,020 ft (310.9 m) long with a longest span of 60 ft (18.3 m) and a deck 193 ft wide.

Who owns I-75 over Chattahoochee River?

It is owned by the State Highway Agency.