US Bridges

SR 166 over Little Tallapoosa River

FairPosted for load

Carroll County, Georgia · 4.5 Miles West of Carroll · Structure no. 000000004500450

Built
1971
54 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
400 ft
10 main spans
Daily traffic
9,800
2024 count
Owner
State
State Highway Agency

About this bridge

SR 166 over Little Tallapoosa River is a concrete tee beam carrying SR 166 over Little Tallapoosa River in Carroll County, Georgia. It was built in 1971, so it is 54 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 9,800 vehicles a day, roughly 5% of them trucks, projected to reach 14,655 by 2031. The structure is 400 ft (121.9 m) long and 50 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 166
CrossesLittle Tallapoosa River
Location4.5 Miles West of Carroll
RouteState Highway 166
CountyCarroll County
StateGeorgia
Coordinates33.56127, -85.14799
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span40 ft (12.2 m)
Deck width50 ft (15.3 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2024)
Projected traffic14,655 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$2.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 166 over Little Tallapoosa River built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 166 over Little Tallapoosa River 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 August 2024.

How much traffic does SR 166 over Little Tallapoosa River carry?

About 9,800 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 166 over Little Tallapoosa River?

The structure is 400 ft (121.9 m) long with a longest span of 40 ft (12.2 m) and a deck 50 ft wide.

Who owns SR 166 over Little Tallapoosa River?

It is owned by the State Highway Agency.