US Bridges

S-20-54 over Jackson Creek

FairPosted for load

Fairfield County, South Carolina · 6MI W Winnsboro · Structure no. 000000000005513

Built
1969
56 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
120 ft
8 main spans
Daily traffic
350
2023 count
Owner
State
State Highway Agency

About this bridge

S-20-54 over Jackson Creek is a concrete slab carrying S-20-54 over Jackson Creek in Fairfield County, South Carolina. It was built in 1969, so it is 56 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 350 vehicles a day, roughly 13% of them trucks, projected to reach 511 by 2043. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesS-20-54
CrossesJackson Creek
Location6MI W Winnsboro
RouteState Highway 54
CountyFairfield County
StateSouth Carolina
Coordinates34.37667, -81.19139
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.9 US tons
Inventory rating16.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadH 10
Structure length120 ft (36.6 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2023)
Projected traffic511 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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-20-54 over Jackson Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is S-20-54 over Jackson 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 2024.

How much traffic does S-20-54 over Jackson Creek carry?

About 350 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is S-20-54 over Jackson Creek?

The structure is 120 ft (36.6 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-20-54 over Jackson Creek?

It is owned by the State Highway Agency.