US Bridges

S-23-456 over Horse Creek

Good

Greenville County, South Carolina · 9.9 MI SW Fountain Inn · Structure no. 000000000004139

Built
2016
9 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
400
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-456 over Horse Creek is a prestressed concrete slab carrying S-23-456 over Horse Creek in Greenville County, South Carolina. It was built in 2016, so it is 9 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 10% of them trucks, projected to reach 584 by 2043. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-23-456
CrossesHorse Creek
Location9.9 MI SW Fountain Inn
RouteState Highway 456
Coordinates34.57892, -82.29941
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic584 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-23-456 over Horse Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is S-23-456 over Horse 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 July 2023.

How much traffic does S-23-456 over Horse Creek carry?

About 400 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-23-456 over Horse Creek?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns S-23-456 over Horse Creek?

It is owned by the State Highway Agency.