US Bridges

S-20-63 over Crooked Run Creek

Fair

Fairfield County, South Carolina · 8.8MI SW Winnsboro · Structure no. 000000000007452

Built
1981
44 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
750
2023 count
Owner
State
State Highway Agency

About this bridge

S-20-63 over Crooked Run Creek is a concrete slab carrying S-20-63 over Crooked Run Creek in Fairfield County, South Carolina. It was built in 1981, so it is 44 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 750 vehicles a day, roughly 5% of them trucks, projected to reach 1,095 by 2024. 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-20-63
CrossesCrooked Run Creek
Location8.8MI SW Winnsboro
RouteState Highway 63
Coordinates34.26194, -81.13611
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.
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 12 months
Operating statusOpen, no 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.4 US tons
Inventory rating24.7 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 width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic1,095 by 2024
Trucks5%
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-20-63 over Crooked Run Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is S-20-63 over Crooked Run 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 S-20-63 over Crooked Run Creek carry?

About 750 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-20-63 over Crooked Run 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-20-63 over Crooked Run Creek?

It is owned by the State Highway Agency.