US Bridges

S-11-31 over Thicketty Creek

Fair

Cherokee County, South Carolina · 3.8MI W Gaffney · Structure no. 000000000006436

Built
1974
51 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
160 ft
4 main spans
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

S-11-31 over Thicketty Creek is a concrete tee beam carrying S-11-31 over Thicketty Creek in Cherokee County, South Carolina. It was built in 1974, so it is 51 years old, older than the South Carolina average of 48 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 1,700 vehicles a day, roughly 5% of them trucks, projected to reach 2,176 by 2024. The structure is 160 ft (48.8 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-11-31
CrossesThicketty Creek
Location3.8MI W Gaffney
RouteState Highway 31
Coordinates35.07222, -81.72389
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic2,176 by 2024
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-11-31 over Thicketty Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is S-11-31 over Thicketty 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 November 2024.

How much traffic does S-11-31 over Thicketty Creek carry?

About 1,700 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-11-31 over Thicketty Creek?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.

Who owns S-11-31 over Thicketty Creek?

It is owned by the State Highway Agency.