US Bridges

County Line Road over Allatoona Creek

Good

Cobb County, Georgia · 3.5 Miles SW of Acworth · Structure no. 000000006753000

Built
2011
14 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
2,047
2024 count
Owner
County
County Highway Agency

About this bridge

County Line Road over Allatoona Creek is a prestressed concrete stringer/multi-beam or girder carrying County Line Road over Allatoona Creek in Cobb County, Georgia. It was built in 2011, so it is 14 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 2,047 vehicles a day, roughly 2% of them trucks, projected to reach 8,500 by 2030. The structure is 135 ft (41.1 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty Line Road
CrossesAllatoona Creek
Location3.5 Miles SW of Acworth
RouteCounty Highway 53
CountyCobb County
StateGeorgia
Coordinates34.0213, -84.70844
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length135 ft (41.1 m)
Longest span135 ft (41.1 m)
Deck width41 ft (12.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic8,500 by 2030
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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$791,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Line Road over Allatoona Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is County Line Road over 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 August 2023.

How much traffic does County Line Road over Allatoona Creek carry?

About 2,047 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is County Line Road over Allatoona Creek?

The structure is 135 ft (41.1 m) long with a longest span of 135 ft (41.1 m) and a deck 41 ft wide.

Who owns County Line Road over Allatoona Creek?

It is owned by the County Highway Agency.