US Bridges

S-20-48 over Manns Creek

Good

Fairfield County, South Carolina · 10MI SW Winnsboro · Structure no. 000000000008156

Built
1988
37 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
150 ft
5 main spans
Daily traffic
175
2023 count
Owner
State
State Highway Agency

About this bridge

S-20-48 over Manns Creek is a concrete slab carrying S-20-48 over Manns Creek in Fairfield County, South Carolina. It was built in 1988, so it is 37 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 175 vehicles a day, roughly 7% of them trucks, projected to reach 256 by 2043. The structure is 150 ft (45.7 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-20-48
CrossesManns Creek
Location10MI SW Winnsboro
RouteState Highway 48
Coordinates34.25619, -81.1732
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2023)
Projected traffic256 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-20-48 over Manns Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is S-20-48 over Manns 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 April 2023.

How much traffic does S-20-48 over Manns Creek carry?

About 175 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-20-48 over Manns Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns S-20-48 over Manns Creek?

It is owned by the State Highway Agency.