US Bridges

S-4-212 over Big Creek

Fair

Anderson County, South Carolina · 1.4MI SE Williamston · Structure no. 000000000007063

Built
1978
47 years old
Condition
Fair
inspected February 2025
Type
Channel Beam
Prestressed Concrete
Length
150 ft
5 main spans
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-212 over Big Creek is a prestressed concrete channel beam carrying S-4-212 over Big Creek in Anderson County, South Carolina. It was built in 1978, so it is 47 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 550 vehicles a day, roughly 5% of them trucks, projected to reach 704 by 2043. The structure is 150 ft (45.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-4-212
CrossesBig Creek
Location1.4MI SE Williamston
RouteState Highway 212
Coordinates34.60425, -82.4604
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating41.4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic704 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-4-212 over Big Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is S-4-212 over Big 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 February 2025.

How much traffic does S-4-212 over Big Creek carry?

About 550 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-4-212 over Big Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns S-4-212 over Big Creek?

It is owned by the State Highway Agency.