US Bridges

Shallowford RD over Noonday Creek

Good

Cobb County, Georgia · 5.6 MI NE of Kennesaw · Structure no. 000000006701320

Built
1990
35 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
14,900
2024 count
Owner
County
County Highway Agency

About this bridge

Shallowford RD over Noonday Creek is a prestressed concrete stringer/multi-beam or girder carrying Shallowford RD over Noonday Creek in Cobb County, Georgia. It was built in 1990, so it is 35 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 14,900 vehicles a day, roughly 1% of them trucks, projected to reach 16,605 by 2032. The structure is 180 ft (54.9 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesShallowford RD
CrossesNoonday Creek
Location5.6 MI NE of Kennesaw
RouteCity Street 9360
StateGeorgia
Coordinates34.0683, -84.53561
Functional classUrban Minor Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating52.9 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,900 (2024)
Projected traffic16,605 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Shallowford RD over Noonday Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Shallowford RD over 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 April 2023.

How much traffic does Shallowford RD over Noonday Creek carry?

About 14,900 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Shallowford RD over Noonday Creek?

The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns Shallowford RD over Noonday Creek?

It is owned by the County Highway Agency.