US Bridges

S-20-302 over Chicken Creek

FairPosted for load

Fairfield County, South Carolina · 17.3MI NW Winnsboro · Structure no. 000000000005515

Built
1969
56 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-20-302 over Chicken Creek is a concrete slab carrying S-20-302 over Chicken 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 75 ft (22.9 m) long and 28 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesS-20-302
CrossesChicken Creek
Location17.3MI NW Winnsboro
RouteState Highway 302
CountyFairfield County
StateSouth Carolina
Coordinates34.47806, -81.36639
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 10
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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-20-302 over Chicken Creek built?

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

What condition is S-20-302 over Chicken 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-20-302 over Chicken Creek carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-20-302 over Chicken Creek?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-20-302 over Chicken Creek?

It is owned by the State Highway Agency.