US Bridges

I-75 - I-575 over Noonday Creek Trib.

Fair

Cobb County, Georgia · 3.7 MI SE of Kennesaw · Structure no. 000000006700800

Built
1973
52 years old, rebuilt 1980
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
227,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 - I-575 over Noonday Creek Trib. is a concrete culvert carrying I-75 - I-575 over Noonday Creek Trib. in Cobb County, Georgia. It was built in 1973 and reconstructed in 1980, so it is 52 years old, older 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 5 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 227,000 vehicles a day, roughly 11% of them trucks, projected to reach 328,770 by 2032. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-75 - I-575
CrossesNoonday Creek Trib.
Location3.7 MI SE of Kennesaw
RouteInterstate 75
CountyCobb County
StateGeorgia
Coordinates33.99655, -84.55952
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic227,000 (2024)
Projected traffic328,770 by 2032
Trucks11%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$448,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 - I-575 over Noonday Creek Trib. built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1980.

What condition is I-75 - I-575 over Noonday Creek Trib. 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 May 2023.

How much traffic does I-75 - I-575 over Noonday Creek Trib. carry?

About 227,000 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is I-75 - I-575 over Noonday Creek Trib.?

The structure is 24 ft (7.3 m) long with a longest span of 7 ft (2.1 m).

Who owns I-75 - I-575 over Noonday Creek Trib.?

It is owned by the State Highway Agency.