US Bridges

Porsche Avenue over I-75 Nbcd Sbcd

Fair

Fulton County, Georgia · 1 M E of Hapeville · Structure no. 000000012105610

Built
1984
41 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
387 ft
6 main spans
Daily traffic
7,906
2024 count
Owner
State
State Highway Agency

About this bridge

Porsche Avenue over I-75 Nbcd Sbcd is a steel stringer/multi-beam or girder carrying Porsche Avenue over I-75 Nbcd Sbcd in Fulton County, Georgia. It was built in 1984, so it is 41 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 7,906 vehicles a day, roughly 1% of them trucks, projected to reach 8,655 by 2032. The structure is 387 ft (118 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPorsche Avenue
CrossesI-75 Nbcd Sbcd
Location1 M E of Hapeville
RouteCity Street 9079
StateGeorgia
Coordinates33.65238, -84.39624
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating36.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length387 ft (118 m)
Longest span83 ft (25.3 m)
Deck width75 ft (23 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,906 (2024)
Projected traffic8,655 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Porsche Avenue over I-75 Nbcd Sbcd built?

It was built in 1984, making it 41 years old in 2025.

What condition is Porsche Avenue over I-75 Nbcd Sbcd 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 August 2024.

How much traffic does Porsche Avenue over I-75 Nbcd Sbcd carry?

About 7,906 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Porsche Avenue over I-75 Nbcd Sbcd?

The structure is 387 ft (118 m) long with a longest span of 83 ft (25.3 m) and a deck 75 ft wide.

Who owns Porsche Avenue over I-75 Nbcd Sbcd?

It is owned by the State Highway Agency.