US Bridges

Blackwell Road over Little Noonday Creek

Good

Cobb County, Georgia · 5.5 MI E of Kennesaw · Structure no. 000000006752010

Built
1999
26 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
9,350
2024 count
Owner
County
County Highway Agency

About this bridge

Blackwell Road over Little Noonday Creek is a concrete culvert carrying Blackwell Road over Little Noonday Creek in Cobb County, Georgia. It was built in 1999, so it is 26 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 9,350 vehicles a day, roughly 1% of them trucks, projected to reach 13,440 by 2032. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBlackwell Road
CrossesLittle Noonday Creek
Location5.5 MI E of Kennesaw
RouteCity Street 9026
StateGeorgia
Coordinates34.03538, -84.52038
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,350 (2024)
Projected traffic13,440 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Blackwell Road over Little Noonday Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Blackwell Road over Little Noonday Creek 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 March 2023.

How much traffic does Blackwell Road over Little Noonday Creek carry?

About 9,350 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Blackwell Road over Little Noonday Creek?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m).

Who owns Blackwell Road over Little Noonday Creek?

It is owned by the County Highway Agency.