US Bridges

Sc 121 over Shaw Creek

Fair

Edgefield County, South Carolina · 5.6 MI SE of Edgefield · Structure no. 000000000007556

Built
1982
43 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 121 over Shaw Creek is a concrete culvert carrying Sc 121 over Shaw Creek in Edgefield County, South Carolina. It was built in 1982, so it is 43 years old, younger 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 6 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 5,000 vehicles a day, roughly 19% of them trucks, projected to reach 7,950 by 2043. The structure is 29 ft (8.8 m) long and 130 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSc 121
CrossesShaw Creek
Location5.6 MI SE of Edgefield
RouteState Highway 121
Coordinates33.76266, -81.83633
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating89 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span13 ft (4 m)
Deck width130 ft (39.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic7,950 by 2043
Trucks19%
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 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 Sc 121 over Shaw Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Sc 121 over Shaw 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 January 2024.

How much traffic does Sc 121 over Shaw Creek carry?

About 5,000 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is Sc 121 over Shaw Creek?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (4 m) and a deck 130 ft wide.

Who owns Sc 121 over Shaw Creek?

It is owned by the State Highway Agency.