US Bridges

S-23-90 over South Saluda River

FairPosted for load

Greenville County, South Carolina · 14.4MI NW Travelers Rest · Structure no. 000000000003663

Built
1961
64 years old
Condition
Fair
inspected April 2023
Type
Channel Beam
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
250
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-90 over South Saluda River is a prestressed concrete channel beam carrying S-23-90 over South Saluda River in Greenville County, South Carolina. It was built in 1961, so it is 64 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2043. The structure is 90 ft (27.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-23-90
CrossesSouth Saluda River
Location14.4MI NW Travelers Rest
RouteState Highway 90
Coordinates35.06358, -82.66701
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
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 protection7 GoodSome minor problems.
Last inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.3 US tons
Inventory rating5.7 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
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 traffic250 (2023)
Projected traffic320 by 2043
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$471,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-23-90 over South Saluda River built?

It was built in 1961, making it 64 years old in 2025.

What condition is S-23-90 over South Saluda River 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 April 2023.

How much traffic does S-23-90 over South Saluda River carry?

About 250 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-23-90 over South Saluda River?

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-23-90 over South Saluda River?

It is owned by the State Highway Agency.