US Bridges

Simpson Street over Marta

Good

Fulton County, Georgia · In City of Atlanta · Structure no. 000000012152410

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
5,300
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Simpson Street over Marta is a prestressed concrete stringer/multi-beam or girder carrying Simpson Street over Marta in Fulton County, Georgia. It was built in 1991, so it is 34 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 5,300 vehicles a day, roughly 1% of them trucks, projected to reach 8,700 by 2031. The structure is 36 ft (11 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSimpson Street
CrossesMarta
LocationIn City of Atlanta
RouteCity Street 9045
StateGeorgia
Coordinates33.76346, -84.42445
Functional classUrban Collector

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (11 m)
Longest span36 ft (11 m)
Deck width70 ft (21.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,300 (2024)
Projected traffic8,700 by 2031
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$269,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Simpson Street over Marta built?

It was built in 1991, making it 34 years old in 2025.

What condition is Simpson Street over Marta 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 March 2024.

How much traffic does Simpson Street over Marta carry?

About 5,300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Simpson Street over Marta?

The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m) and a deck 70 ft wide.

Who owns Simpson Street over Marta?

It is owned by the City or Municipal Highway Agency.