US Bridges

US 27 over SR 166 (us 27 Alt)

Good

Carroll County, Georgia · In South Carrollton · Structure no. 000000004551660

Built
2013
12 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
293 ft
4 main spans
Daily traffic
35,400
2024 count
Owner
State
State Highway Agency

About this bridge

US 27 over SR 166 (us 27 Alt) is a steel continuous stringer/multi-beam or girder carrying US 27 over SR 166 (us 27 Alt) in Carroll County, Georgia. It was built in 2013, so it is 12 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 35,400 vehicles a day, roughly 1% of them trucks, projected to reach 48,810 by 2031. The structure is 293 ft (89.3 m) long and 140 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 27
CrossesSR 166 (us 27 Alt)
LocationIn South Carrollton
RouteU.S. Route 27
StateGeorgia
Coordinates33.55756, -85.07331
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating24.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length293 ft (89.3 m)
Longest span88 ft (26.8 m)
Deck width140 ft (42.7 m)
Roadway width136 ft (41.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,400 (2024)
Projected traffic48,810 by 2031
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$39.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 27 over SR 166 (us 27 Alt) built?

It was built in 2013, making it 12 years old in 2025.

What condition is US 27 over SR 166 (us 27 Alt) 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 2024.

How much traffic does US 27 over SR 166 (us 27 Alt) carry?

About 35,400 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 27 over SR 166 (us 27 Alt)?

The structure is 293 ft (89.3 m) long with a longest span of 88 ft (26.8 m) and a deck 140 ft wide.

Who owns US 27 over SR 166 (us 27 Alt)?

It is owned by the State Highway Agency.