US Bridges

Stilesboro Road over Allatoona Creek

Fair

Cobb County, Georgia · 5 MI South of Acworth · Structure no. 000000006701230

Built
1972
53 years old, rebuilt 2000
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
15,200
2024 count
Owner
County
County Highway Agency

About this bridge

Stilesboro Road over Allatoona Creek is a concrete slab carrying Stilesboro Road over Allatoona Creek in Cobb County, Georgia. It was built in 1972 and reconstructed in 2000, so it is 53 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 15,200 vehicles a day, roughly 1% of them trucks, projected to reach 19,770 by 2032. The structure is 160 ft (48.8 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesStilesboro Road
CrossesAllatoona Creek
Location5 MI South of Acworth
RouteCity Street 9029
CountyCobb County
StateGeorgia
Coordinates33.99545, -84.69292
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating42 US tons
Inventory rating24.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadH 15
Structure length160 ft (48.8 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,200 (2024)
Projected traffic19,770 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$938,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Stilesboro Road over Allatoona Creek built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2000.

What condition is Stilesboro Road over Allatoona Creek 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 April 2023.

How much traffic does Stilesboro Road over Allatoona Creek carry?

About 15,200 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Stilesboro Road over Allatoona Creek?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns Stilesboro Road over Allatoona Creek?

It is owned by the County Highway Agency.