US Bridges

W. Ptree- Marta over I-75

Fair

Fulton County, Georgia · Civic Center Station · Structure no. 000000012104140

Built
1979
46 years old
Condition
Fair
inspected March 2024
Type
Girder and Floorbeam System
Steel
Length
260 ft
2 main spans
Daily traffic
2,047
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

W. Ptree- Marta over I-75 is a steel girder and floorbeam system carrying W. Ptree- Marta over I-75 in Fulton County, Georgia. It was built in 1979, so it is 46 years old, younger than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,047 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 260 ft (79.2 m) long and 140 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW. Ptree- Marta
CrossesI-75
LocationCivic Center Station
RouteCity Street 9158
StateGeorgia
Coordinates33.76648, -84.38749
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating35.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length260 ft (79.2 m)
Longest span130 ft (39.6 m)
Deck width140 ft (42.7 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic2,895 by 2032
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and railroad
CrossesHighway
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$2.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was W. Ptree- Marta over I-75 built?

It was built in 1979, making it 46 years old in 2025.

What condition is W. Ptree- Marta over I-75 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does W. Ptree- Marta over I-75 carry?

About 2,047 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is W. Ptree- Marta over I-75?

The structure is 260 ft (79.2 m) long with a longest span of 130 ft (39.6 m) and a deck 140 ft wide.

Who owns W. Ptree- Marta over I-75?

It is owned by the City or Municipal Highway Agency.