US Bridges

S-19-21 over Little Stevens Creek

FairPosted for load

Edgefield County, South Carolina · 9.2 MI N Edgefield · Structure no. 000000000004765

Built
1966
59 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Prestressed Concrete
Length
120 ft
4 main spans
Daily traffic
325
2023 count
Owner
State
State Highway Agency

About this bridge

S-19-21 over Little Stevens Creek is a prestressed concrete channel beam carrying S-19-21 over Little Stevens Creek in Edgefield County, South Carolina. It was built in 1966, so it is 59 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 325 vehicles a day, roughly 10% of them trucks, projected to reach 475 by 2043. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-19-21
CrossesLittle Stevens Creek
Location9.2 MI N Edgefield
RouteState Highway 21
Coordinates33.92407, -81.93874
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.3 US tons
Inventory rating11 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 width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2023)
Projected traffic475 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$657,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-19-21 over Little Stevens Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is S-19-21 over Little Stevens 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 March 2023.

How much traffic does S-19-21 over Little Stevens Creek carry?

About 325 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-19-21 over Little Stevens Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns S-19-21 over Little Stevens Creek?

It is owned by the State Highway Agency.