US Bridges

S-20-61 over Winnsboro Branch

Good

Fairfield County, South Carolina · Washington ST Winnsboro · Structure no. 000000000002171

Built
2006
19 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

S-20-61 over Winnsboro Branch is a concrete continuous slab carrying S-20-61 over Winnsboro Branch in Fairfield County, South Carolina. It was built in 2006, so it is 19 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,300 vehicles a day, roughly 2% of them trucks, projected to reach 2,944 by 2043. The structure is 66 ft (20.1 m) long and 63 ft wide.

CarriesS-20-61
CrossesWinnsboro Branch
LocationWashington ST Winnsboro
RouteState Highway 61
Coordinates34.37476, -81.09482
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating58.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length66 ft (20.1 m)
Longest span22 ft (6.7 m)
Deck width63 ft (19.2 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,944 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$27,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-20-61 over Winnsboro Branch built?

It was built in 2006, making it 19 years old in 2025.

What condition is S-20-61 over Winnsboro Branch 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-20-61 over Winnsboro Branch carry?

About 2,300 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-20-61 over Winnsboro Branch?

The structure is 66 ft (20.1 m) long with a longest span of 22 ft (6.7 m) and a deck 63 ft wide.

Who owns S-20-61 over Winnsboro Branch?

It is owned by the State Highway Agency.