US Bridges

S-20-30 over Little Cedar Creek

FairPosted for load

Fairfield County, South Carolina · 7MI S Winnsboro · Structure no. 000000000006089

Built
1972
53 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

S-20-30 over Little Cedar Creek is a concrete slab carrying S-20-30 over Little Cedar Creek in Fairfield County, South Carolina. It was built in 1972, so it is 53 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 1,300 vehicles a day, roughly 7% of them trucks, projected to reach 1,898 by 2043. The structure is 75 ft (22.9 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-20-30
CrossesLittle Cedar Creek
Location7MI S Winnsboro
RouteState Highway 30
Coordinates34.27889, -81.08111
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,898 by 2043
Trucks7%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-20-30 over Little Cedar Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is S-20-30 over Little Cedar 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 April 2024.

How much traffic does S-20-30 over Little Cedar Creek carry?

About 1,300 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-20-30 over Little Cedar Creek?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-20-30 over Little Cedar Creek?

It is owned by the State Highway Agency.