US Bridges

S-41-21 over Red Bank Creek

Fair

Saluda County, South Carolina · 6.8MI NW Saluda · Structure no. 000000000006375

Built
2002
23 years old
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
70 ft
2 main spans
Daily traffic
700
2023 count
Owner
State
State Highway Agency

About this bridge

S-41-21 over Red Bank Creek is a prestressed concrete slab carrying S-41-21 over Red Bank Creek in Saluda County, South Carolina. It was built in 2002, so it is 23 years old, younger 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 6 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 700 vehicles a day, roughly 6% of them trucks, projected to reach 1,022 by 2043. The structure is 70 ft (21.3 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-41-21
CrossesRed Bank Creek
Location6.8MI NW Saluda
RouteState Highway 21
Coordinates34.01653, -81.88628
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span40 ft (12.2 m)
Deck width39 ft (11.9 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic1,022 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-41-21 over Red Bank Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is S-41-21 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 2023.

How much traffic does S-41-21 over Red Bank Creek carry?

About 700 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-41-21 over Red Bank Creek?

The structure is 70 ft (21.3 m) long with a longest span of 40 ft (12.2 m) and a deck 39 ft wide.

Who owns S-41-21 over Red Bank Creek?

It is owned by the State Highway Agency.