US Bridges

S-4-143 over Brushy Creek

Fair

Anderson County, South Carolina · 6.3MI NE Williamston · Structure no. 000000000008057

Built
1987
38 years old
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete
Length
150 ft
5 main spans
Daily traffic
5,500
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-143 over Brushy Creek is a prestressed concrete slab carrying S-4-143 over Brushy Creek in Anderson County, South Carolina. It was built in 1987, so it is 38 years old, younger 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 5 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 5,500 vehicles a day, roughly 7% of them trucks, projected to reach 8,415 by 2043. The structure is 150 ft (45.7 m) long and 36 ft wide.

CarriesS-4-143
CrossesBrushy Creek
Location6.3MI NE Williamston
RouteState Highway 143
Coordinates34.71024, -82.46777
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93.6 US tons
Inventory rating56.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic8,415 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-4-143 over Brushy Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is S-4-143 over Brushy 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 January 2025.

How much traffic does S-4-143 over Brushy Creek carry?

About 5,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-4-143 over Brushy Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns S-4-143 over Brushy Creek?

It is owned by the State Highway Agency.