US Bridges

I-75R / Kenndy Pkw over I-285R to I-75 & K. Pkwy

Good

Cobb County, Georgia · 7.1 MI SE of Marrietta · Structure no. 000000006751940

Built
1998
27 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
6,805
2024 count
Owner
State
State Highway Agency

About this bridge

I-75R / Kenndy Pkw over I-285R to I-75 & K. Pkwy is a prestressed concrete stringer/multi-beam or girder carrying I-75R / Kenndy Pkw over I-285R to I-75 & K. Pkwy in Cobb County, Georgia. It was built in 1998, so it is 27 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 6,805 vehicles a day, roughly 1% of them trucks, projected to reach 6,135 by 2032. The structure is 57 ft (17.4 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-75R / Kenndy Pkw
CrossesI-285R to I-75 & K. Pkwy
Location7.1 MI SE of Marrietta
RouteInterstate 75
CountyCobb County
StateGeorgia
Coordinates33.88216, -84.4549
Functional classUrban Local

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length57 ft (17.4 m)
Longest span57 ft (17.4 m)
Deck width68 ft (20.7 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,805 (2024)
Projected traffic6,135 by 2032
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$516,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75R / Kenndy Pkw over I-285R to I-75 & K. Pkwy built?

It was built in 1998, making it 27 years old in 2025.

What condition is I-75R / Kenndy Pkw over I-285R to I-75 & K. Pkwy 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 August 2023.

How much traffic does I-75R / Kenndy Pkw over I-285R to I-75 & K. Pkwy carry?

About 6,805 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75R / Kenndy Pkw over I-285R to I-75 & K. Pkwy?

The structure is 57 ft (17.4 m) long with a longest span of 57 ft (17.4 m) and a deck 68 ft wide.

Who owns I-75R / Kenndy Pkw over I-285R to I-75 & K. Pkwy?

It is owned by the State Highway Agency.