US Bridges

US 41 over Allatoona Creek (lake)

Fair

Cobb County, Georgia · 2 MI W of Acworth · Structure no. 000000006700100

Built
1950
75 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
264 ft
3 main spans
Daily traffic
51,000
2024 count
Owner
State
State Highway Agency

About this bridge

US 41 over Allatoona Creek (lake) is a steel continuous stringer/multi-beam or girder carrying US 41 over Allatoona Creek (lake) in Cobb County, Georgia. It was built in 1950, so it is 75 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 6 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 51,000 vehicles a day, roughly 1% of them trucks, projected to reach 53,610 by 2032. The structure is 264 ft (80.5 m) long and 64 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS 41
CrossesAllatoona Creek (lake)
Location2 MI W of Acworth
RouteU.S. Route 41
StateGeorgia
Coordinates34.05576, -84.70943
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 rating49.9 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length264 ft (80.5 m)
Longest span100 ft (30.5 m)
Deck width64 ft (19.5 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,000 (2024)
Projected traffic53,610 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 41 over Allatoona Creek (lake) built?

It was built in 1950, making it 75 years old in 2025.

What condition is US 41 over Allatoona Creek (lake) 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 September 2023.

How much traffic does US 41 over Allatoona Creek (lake) carry?

About 51,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 41 over Allatoona Creek (lake)?

The structure is 264 ft (80.5 m) long with a longest span of 100 ft (30.5 m) and a deck 64 ft wide.

Who owns US 41 over Allatoona Creek (lake)?

It is owned by the State Highway Agency.