US Bridges

S-23-143 over Horse Pen Creek

FairPosted for load

Greenville County, South Carolina · 6.5MI NE Simpsonville · Structure no. 000000000005739

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
1,050
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-143 over Horse Pen Creek is a prestressed concrete channel beam carrying S-23-143 over Horse Pen Creek in Greenville County, South Carolina. It was built in 1970, so it is 55 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 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 1,050 vehicles a day, roughly 5% of them trucks, projected to reach 1,344 by 2043. The structure is 90 ft (27.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-23-143
CrossesHorse Pen Creek
Location6.5MI NE Simpsonville
RouteState Highway 143
Coordinates34.78574, -82.15844
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating19.3 US tons
Inventory rating10.4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+4 approach)
Design loadH 10
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2023)
Projected traffic1,344 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$540,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-23-143 over Horse Pen Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is S-23-143 over Horse Pen 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 July 2023.

How much traffic does S-23-143 over Horse Pen Creek carry?

About 1,050 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-23-143 over Horse Pen Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns S-23-143 over Horse Pen Creek?

It is owned by the State Highway Agency.