US Bridges

Sc 121 over Red Bank Creek

Fair

Saluda County, South Carolina · 1.0 MI S of Saluda · Structure no. 000000000001132

Built
1940
85 years old, rebuilt 1964
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
176 ft
8 main spans
Daily traffic
3,800
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 121 over Red Bank Creek is a concrete tee beam carrying Sc 121 over Red Bank Creek in Saluda County, South Carolina. It was built in 1940 and reconstructed in 1964, so it is 85 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.

It carries about 3,800 vehicles a day, roughly 22% of them trucks, projected to reach 6,042 by 2043. The structure is 176 ft (53.6 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSc 121
CrossesRed Bank Creek
Location1.0 MI S of Saluda
RouteState Highway 121
Coordinates33.98684, -81.77016
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating31.1 US tons
Inventory rating18.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length176 ft (53.6 m)
Longest span22 ft (6.7 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2023)
Projected traffic6,042 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Sc 121 over Red Bank Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1964.

What condition is Sc 121 over Red Bank Creek 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 August 2024.

How much traffic does Sc 121 over Red Bank Creek carry?

About 3,800 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is Sc 121 over Red Bank Creek?

The structure is 176 ft (53.6 m) long with a longest span of 22 ft (6.7 m) and a deck 48 ft wide.

Who owns Sc 121 over Red Bank Creek?

It is owned by the State Highway Agency.