US Bridges

S-23-51 over Saluda River

Good

Greenville County, South Carolina · 6.7MI E Belton · Structure no. 000000000009324

Built
1998
27 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
355 ft
3 main spans
Daily traffic
500
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-51 over Saluda River is a prestressed concrete stringer/multi-beam or girder carrying S-23-51 over Saluda River in Greenville County, South Carolina. It was built in 1998, so it is 27 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 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 500 vehicles a day, roughly 6% of them trucks, projected to reach 730 by 2043. The structure is 355 ft (108.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-23-51
CrossesSaluda River
Location6.7MI E Belton
RouteState Highway 51
Coordinates34.52719, -82.37615
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating52.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length355 ft (108.2 m)
Longest span79 ft (24.1 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic730 by 2043
Trucks6%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-23-51 over Saluda River built?

It was built in 1998, making it 27 years old in 2025.

What condition is S-23-51 over Saluda River 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 2024.

How much traffic does S-23-51 over Saluda River carry?

About 500 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-23-51 over Saluda River?

The structure is 355 ft (108.2 m) long with a longest span of 79 ft (24.1 m) and a deck 31 ft wide.

Who owns S-23-51 over Saluda River?

It is owned by the State Highway Agency.