US Bridges

Decatur Street over I-75

Good

Fulton County, Georgia · In Atlanta · Structure no. 000000012106660

Built
1988
37 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
355 ft
2 main spans
Daily traffic
17,300
2024 count
Owner
State
State Highway Agency

About this bridge

Decatur Street over I-75 is a steel continuous stringer/multi-beam or girder carrying Decatur Street over I-75 in Fulton County, Georgia. It was built in 1988, so it is 37 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 17,300 vehicles a day, roughly 1% of them trucks, projected to reach 32,085 by 2030. The structure is 355 ft (108.2 m) long and 74 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDecatur Street
CrossesI-75
LocationIn Atlanta
RouteCity Street 9152
StateGeorgia
Coordinates33.74985, -84.38221
Functional classUrban Local

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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length355 ft (108.2 m)
Longest span186 ft (56.7 m)
Deck width74 ft (22.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,300 (2024)
Projected traffic32,085 by 2030
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$3.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Decatur Street over I-75 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Decatur Street over I-75 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 Decatur Street over I-75 carry?

About 17,300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Decatur Street over I-75?

The structure is 355 ft (108.2 m) long with a longest span of 186 ft (56.7 m) and a deck 74 ft wide.

Who owns Decatur Street over I-75?

It is owned by the State Highway Agency.