US Bridges

Sc 121 over Saluda River

FairPosted for load

Newberry County, South Carolina · 8.8 MI SW of Newberry · Structure no. 000000000000568

Built
1931
94 years old, rebuilt 1974
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,051 ft
3 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 121 over Saluda River is a prestressed concrete stringer/multi-beam or girder carrying Sc 121 over Saluda River in Newberry County, South Carolina. It was built in 1931 and reconstructed in 1974, so it is 94 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 2,300 vehicles a day, roughly 26% of them trucks, projected to reach 3,657 by 2043. The structure is 1,051 ft (320.2 m) long and 48 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSc 121
CrossesSaluda River
Location8.8 MI SW of Newberry
RouteState Highway 121
Coordinates34.18397, -81.72601
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating18.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+16 approach)
Design loadHS 20
Structure length1,051 ft (320.2 m)
Longest span68 ft (20.7 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic3,657 by 2043
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$4.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 121 over Saluda River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1974.

What condition is Sc 121 over 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 July 2023.

How much traffic does Sc 121 over Saluda River carry?

About 2,300 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is Sc 121 over Saluda River?

The structure is 1,051 ft (320.2 m) long with a longest span of 68 ft (20.7 m) and a deck 48 ft wide.

Who owns Sc 121 over Saluda River?

It is owned by the State Highway Agency.