US Bridges

Piedmont Road over Noonday Creek Trib.

Good

Cobb County, Georgia · 4.5 MI N of Marietta · Structure no. 000000006701580

Built
1958
67 years old, rebuilt 1989
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
19,100
2024 count
Owner
County
County Highway Agency

About this bridge

Piedmont Road over Noonday Creek Trib. is a concrete culvert carrying Piedmont Road over Noonday Creek Trib. in Cobb County, Georgia. It was built in 1958 and reconstructed in 1989, so it is 67 years old, older 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 19,100 vehicles a day, roughly 2% of them trucks, projected to reach 30,540 by 2032. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPiedmont Road
CrossesNoonday Creek Trib.
Location4.5 MI N of Marietta
RouteCity Street 9027
StateGeorgia
Coordinates34.01391, -84.5408
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length41 ft (12.5 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,100 (2024)
Projected traffic30,540 by 2032
Trucks2%
Lanes on structure4
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$371,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Piedmont Road over Noonday Creek Trib. built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1989.

What condition is Piedmont Road over Noonday Creek Trib. 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 Piedmont Road over Noonday Creek Trib. carry?

About 19,100 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Piedmont Road over Noonday Creek Trib.?

The structure is 41 ft (12.5 m) long with a longest span of 13 ft (4 m).

Who owns Piedmont Road over Noonday Creek Trib.?

It is owned by the County Highway Agency.