US Bridges

I-75 Managed Lanes over SR 5-CANTON Rd-Ga NE RR

Good

Cobb County, Georgia · In North Marietta · Structure no. 000000006753200

Built
2016
9 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
5,859 ft
45 main spans
Daily traffic
9,999
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 Managed Lanes over SR 5-CANTON Rd-Ga NE RR is a prestressed concrete stringer/multi-beam or girder carrying I-75 Managed Lanes over SR 5-CANTON Rd-Ga NE RR in Cobb County, Georgia. It was built in 2016, so it is 9 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 9,999 vehicles a day, projected to reach 9,999 by 2036. The structure is 5,859 ft (1,785.8 m) long and 39 ft wide.

CarriesI-75 Managed Lanes
CrossesSR 5-CANTON Rd-Ga NE RR
LocationIn North Marietta
RouteInterstate 75
StateGeorgia
Coordinates33.98136, -84.5399
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans45
Design loadHS 20 + Mod
Structure length5,859 ft (1,785.8 m)
Longest span142 ft (43.3 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,999 (2024)
Projected traffic9,999 by 2036
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll 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$780.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 Managed Lanes over SR 5-CANTON Rd-Ga NE RR built?

It was built in 2016, making it 9 years old in 2025.

What condition is I-75 Managed Lanes over SR 5-CANTON Rd-Ga NE RR 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 February 2024.

How much traffic does I-75 Managed Lanes over SR 5-CANTON Rd-Ga NE RR carry?

About 9,999 vehicles per day (2024 count).

How long is I-75 Managed Lanes over SR 5-CANTON Rd-Ga NE RR?

The structure is 5,859 ft (1,785.8 m) long with a longest span of 142 ft (43.3 m) and a deck 39 ft wide.

Who owns I-75 Managed Lanes over SR 5-CANTON Rd-Ga NE RR?

It is owned by the State Highway Agency.