US Bridges

S-20-55 over Wateree Creek

Good

Fairfield County, South Carolina · 11.5MI NE Winnsboro · Structure no. 000000000009500

Built
2000
25 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete
Length
330 ft
11 main spans
Daily traffic
950
2023 count
Owner
State
State Highway Agency

About this bridge

S-20-55 over Wateree Creek is a concrete slab carrying S-20-55 over Wateree Creek in Fairfield County, South Carolina. It was built in 2000, so it is 25 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 950 vehicles a day, roughly 13% of them trucks, projected to reach 1,387 by 2043. The structure is 330 ft (100.6 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS-20-55
CrossesWateree Creek
Location11.5MI NE Winnsboro
RouteState Highway 55
Coordinates34.47006, -80.91768
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans11
Design loadHS 25 or greater
Structure length330 ft (100.6 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2023)
Projected traffic1,387 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-20-55 over Wateree Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is S-20-55 over Wateree Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does S-20-55 over Wateree Creek carry?

About 950 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is S-20-55 over Wateree Creek?

The structure is 330 ft (100.6 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns S-20-55 over Wateree Creek?

It is owned by the State Highway Agency.