US Bridges

Maxham Road over Buttermilk Creek

Good

Cobb County, Georgia · South East of Austell Cit · Structure no. 000000006701460

Built
1981
44 years old, rebuilt 2008
Condition
Good
inspected June 2023
Type
Tee Beam
Concrete
Length
99 ft
3 main spans
Daily traffic
30,500
2024 count
Owner
County
County Highway Agency

About this bridge

Maxham Road over Buttermilk Creek is a concrete tee beam carrying Maxham Road over Buttermilk Creek in Cobb County, Georgia. It was built in 1981 and reconstructed in 2008, so it is 44 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 30,500 vehicles a day, roughly 1% of them trucks, projected to reach 40,575 by 2032. The structure is 99 ft (30.2 m) long and 82 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMaxham Road
CrossesButtermilk Creek
LocationSouth East of Austell Cit
RouteCity Street 9005
StateGeorgia
Coordinates33.805, -84.61979
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 rating45 US tons
Inventory rating26.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span33 ft (10.1 m)
Deck width82 ft (25 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,500 (2024)
Projected traffic40,575 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$897,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Maxham Road over Buttermilk Creek built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2008.

What condition is Maxham Road over Buttermilk 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 June 2023.

How much traffic does Maxham Road over Buttermilk Creek carry?

About 30,500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Maxham Road over Buttermilk Creek?

The structure is 99 ft (30.2 m) long with a longest span of 33 ft (10.1 m) and a deck 82 ft wide.

Who owns Maxham Road over Buttermilk Creek?

It is owned by the County Highway Agency.