US Bridges

I-575 Managed Lane over SR 5C Ernest Barrett Pkw

Good

Cobb County, Georgia · 3 MI E of Kennesaw · Structure no. 000000006753220

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

About this bridge

I-575 Managed Lane over SR 5C Ernest Barrett Pkw is a prestressed concrete stringer/multi-beam or girder carrying I-575 Managed Lane over SR 5C Ernest Barrett Pkw 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 206 ft (62.8 m) long and 29 ft wide.

CarriesI-575 Managed Lane
CrossesSR 5C Ernest Barrett Pkw
Location3 MI E of Kennesaw
RouteInterstate 417
StateGeorgia
Coordinates34.0141, -84.55878
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.
Superstructure8 Very GoodNo problems noted.
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 rating89.9 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length206 ft (62.8 m)
Longest span108 ft (32.9 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$27.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-575 Managed Lane over SR 5C Ernest Barrett Pkw built?

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

What condition is I-575 Managed Lane over SR 5C Ernest Barrett Pkw 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-575 Managed Lane over SR 5C Ernest Barrett Pkw carry?

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

How long is I-575 Managed Lane over SR 5C Ernest Barrett Pkw?

The structure is 206 ft (62.8 m) long with a longest span of 108 ft (32.9 m) and a deck 29 ft wide.

Who owns I-575 Managed Lane over SR 5C Ernest Barrett Pkw?

It is owned by the State Highway Agency.