US Bridges

SR 166 over Snake Creek

Fair

Carroll County, Georgia · 6.5 MI E of Carrollton · Structure no. 000000004500480

Built
1954
71 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
8,140
2024 count
Owner
State
State Highway Agency

About this bridge

SR 166 over Snake Creek is a concrete culvert carrying SR 166 over Snake Creek in Carroll County, Georgia. It was built in 1954, so it is 71 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,140 vehicles a day, roughly 5% of them trucks, projected to reach 9,330 by 2031. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 166
CrossesSnake Creek
Location6.5 MI E of Carrollton
RouteState Highway 166
StateGeorgia
Coordinates33.6116, -84.9689
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating84 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,140 (2024)
Projected traffic9,330 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 SystemNo

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$141,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 166 over Snake Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is SR 166 over Snake Creek 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 Snake Creek carry?

About 8,140 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 166 over Snake Creek?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).

Who owns SR 166 over Snake Creek?

It is owned by the State Highway Agency.