US Bridges

Brookwood Drive over Buttermilk Creek

Good

Cobb County, Georgia · 0.9 NE of Mableton · Structure no. 000000006753710

Built
2018
7 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
3,850
2024 count
Owner
County
County Highway Agency

About this bridge

Brookwood Drive over Buttermilk Creek is a prestressed concrete stringer/multi-beam or girder carrying Brookwood Drive over Buttermilk Creek in Cobb County, Georgia. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,850 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 40 ft (12.2 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBrookwood Drive
CrossesButtermilk Creek
Location0.9 NE of Mableton
RouteCounty Highway 2377
StateGeorgia
Coordinates33.8256, -84.59383
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width39 ft (11.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,850 (2024)
Projected traffic2,895 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$5.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Brookwood Drive over Buttermilk Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Brookwood Drive 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 October 2023.

How much traffic does Brookwood Drive over Buttermilk Creek carry?

About 3,850 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Brookwood Drive over Buttermilk Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 39 ft wide.

Who owns Brookwood Drive over Buttermilk Creek?

It is owned by the County Highway Agency.