US Bridges

S-20-33 over Mcclures Creek

Fair

Fairfield County, South Carolina · 19 MI W Winnsboro · Structure no. 000000000008637

Built
1993
32 years old
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
25
2023 count
Owner
State
State Highway Agency

About this bridge

S-20-33 over Mcclures Creek is a prestressed concrete slab carrying S-20-33 over Mcclures Creek in Fairfield County, South Carolina. It was built in 1993, so it is 32 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 25 vehicles a day, projected to reach 35 by 2043. The structure is 120 ft (36.6 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS-20-33
CrossesMcclures Creek
Location19 MI W Winnsboro
RouteState Highway 33
Coordinates34.49943, -81.38606
Functional classRural Minor 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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic35 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 S-20-33 over Mcclures Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is S-20-33 over Mcclures 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 2023.

How much traffic does S-20-33 over Mcclures Creek carry?

About 25 vehicles per day (2023 count).

How long is S-20-33 over Mcclures Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns S-20-33 over Mcclures Creek?

It is owned by the State Highway Agency.