US Bridges

Sc 121 over C S X Railroad

Good

Edgefield County, South Carolina · 5.6 MI SE Edgefield · Structure no. 000000000007555

Built
1982
43 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
183 ft
3 main spans
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 121 over C S X Railroad is a prestressed concrete stringer/multi-beam or girder carrying Sc 121 over C S X Railroad 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,000 vehicles a day, roughly 19% of them trucks, projected to reach 7,950 by 2043. The structure is 183 ft (55.8 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSc 121
CrossesC S X Railroad
Location5.6 MI SE Edgefield
RouteState Highway 121
Coordinates33.75901, -81.83813
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.1 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span61 ft (18.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 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
CrossesRailroad
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 C S X Railroad built?

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

What condition is Sc 121 over C S X Railroad 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 January 2024.

How much traffic does Sc 121 over C S X Railroad carry?

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

How long is Sc 121 over C S X Railroad?

The structure is 183 ft (55.8 m) long with a longest span of 61 ft (18.6 m) and a deck 47 ft wide.

Who owns Sc 121 over C S X Railroad?

It is owned by the State Highway Agency.