US Bridges

Old Stilesboro Roa over Little Allatoona Creek

Good

Cobb County, Georgia · 3.8 Miles South West of a · Structure no. 000000006753160

Built
2014
11 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
80 ft
3 main spans
Daily traffic
8,150
2024 count
Owner
County
County Highway Agency

About this bridge

Old Stilesboro Roa over Little Allatoona Creek is a concrete box beam or girders - multiple carrying Old Stilesboro Roa over Little Allatoona Creek in Cobb County, Georgia. It was built in 2014, so it is 11 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 8,150 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 80 ft (24.4 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOld Stilesboro Roa
CrossesLittle Allatoona Creek
Location3.8 Miles South West of a
RouteCounty Highway 40
StateGeorgia
Coordinates34.02112, -84.72107
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating80.9 US tons
Inventory rating42 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width44 ft (13.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,150 (2024)
Projected traffic2,895 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$10.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Stilesboro Roa over Little Allatoona Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Old Stilesboro Roa over Little Allatoona 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 Old Stilesboro Roa over Little Allatoona Creek carry?

About 8,150 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Old Stilesboro Roa over Little Allatoona Creek?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 44 ft wide.

Who owns Old Stilesboro Roa over Little Allatoona Creek?

It is owned by the County Highway Agency.