US Bridges

US 321 over Little Cedar Creek

Fair

Fairfield County, South Carolina · 5.7 MI S of Winnsboro · Structure no. 000000000001042

Built
1940
85 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 321 over Little Cedar Creek is a concrete culvert carrying US 321 over Little Cedar Creek in Fairfield County, South Carolina. It was built in 1940, so it is 85 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.

It carries about 3,600 vehicles a day, roughly 7% of them trucks, projected to reach 5,724 by 2043. The structure is 32 ft (9.7 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 321
CrossesLittle Cedar Creek
Location5.7 MI S of Winnsboro
RouteU.S. Route 321
CountyFairfield County
StateSouth Carolina
Coordinates34.29388, -81.08277
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width44 ft (13.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic5,724 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 US 321 over Little Cedar Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is US 321 over Little Cedar 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 May 2024.

How much traffic does US 321 over Little Cedar Creek carry?

About 3,600 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 321 over Little Cedar Creek?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 44 ft wide.

Who owns US 321 over Little Cedar Creek?

It is owned by the State Highway Agency.