US Bridges

S-23-40 over South Saluda Riv

PoorClosed to traffic

Greenville County, South Carolina · 8MI NW Travelers Rest · Structure no. 000000000002540

Built
1957
68 years old
Condition
Poor
inspected April 2024
Type
Channel Beam
Prestressed Concrete
Length
120 ft
4 main spans
Daily traffic
650
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-40 over South Saluda Riv is a prestressed concrete channel beam carrying S-23-40 over South Saluda Riv in Greenville County, South Carolina. It was built in 1957, so it is 68 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 650 vehicles a day, roughly 11% of them trucks, projected to reach 949 by 2043. The structure is 120 ft (36.6 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS-23-40
CrossesSouth Saluda Riv
Location8MI NW Travelers Rest
RouteState Highway 40
Coordinates35.01247, -82.5707
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating8.3 US tons
Inventory rating2.9 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadH 10
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2023)
Projected traffic949 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$687,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-23-40 over South Saluda Riv built?

It was built in 1957, making it 68 years old in 2025.

What condition is S-23-40 over South Saluda Riv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does S-23-40 over South Saluda Riv carry?

About 650 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is S-23-40 over South Saluda Riv?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns S-23-40 over South Saluda Riv?

It is owned by the State Highway Agency.