US Bridges

US 278 / SR 6 over Powder Springs Creek

Good

Cobb County, Georgia · 2.4 Miles North West of a · Structure no. 000000006701900

Built
1983
42 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
266 ft
7 main spans
Daily traffic
34,000
2024 count
Owner
State
State Highway Agency

About this bridge

US 278 / SR 6 over Powder Springs Creek is a prestressed concrete stringer/multi-beam or girder carrying US 278 / SR 6 over Powder Springs Creek in Cobb County, Georgia. It was built in 1983, so it is 42 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 34,000 vehicles a day, roughly 5% of them trucks, projected to reach 41,205 by 2032. The structure is 266 ft (81.1 m) long and 87 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 278 / SR 6
CrossesPowder Springs Creek
Location2.4 Miles North West of a
RouteU.S. Route 278
StateGeorgia
Coordinates33.83021, -84.67009
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length266 ft (81.1 m)
Longest span38 ft (11.6 m)
Deck width87 ft (26.4 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2024)
Projected traffic41,205 by 2032
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost$2.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 278 / SR 6 over Powder Springs Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is US 278 / SR 6 over Powder Springs 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 May 2023.

How much traffic does US 278 / SR 6 over Powder Springs Creek carry?

About 34,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is US 278 / SR 6 over Powder Springs Creek?

The structure is 266 ft (81.1 m) long with a longest span of 38 ft (11.6 m) and a deck 87 ft wide.

Who owns US 278 / SR 6 over Powder Springs Creek?

It is owned by the State Highway Agency.