US Bridges

SR 166 over Buffalo Creek

Good

Carroll County, Georgia · 2 MI SW of Carrollton · Structure no. 000000004500460

Built
1979
46 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
19,000
2024 count
Owner
State
State Highway Agency

About this bridge

SR 166 over Buffalo Creek is a concrete culvert carrying SR 166 over Buffalo Creek in Carroll County, Georgia. It was built in 1979, so it is 46 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 19,000 vehicles a day, roughly 1% of them trucks, projected to reach 28,905 by 2031. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 166
CrossesBuffalo Creek
Location2 MI SW of Carrollton
RouteState Highway 166
StateGeorgia
Coordinates33.55723, -85.09454
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2024)
Projected traffic28,905 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$263,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 166 over Buffalo Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR 166 over Buffalo 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 August 2024.

How much traffic does SR 166 over Buffalo Creek carry?

About 19,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 166 over Buffalo Creek?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m).

Who owns SR 166 over Buffalo Creek?

It is owned by the State Highway Agency.