US Bridges

Sc 346 over Buffalo Creek

Fair

Kershaw County, South Carolina · 12MI E of Kershaw · Structure no. 000000000006992

Built
1977
48 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
126 ft
5 main spans
Daily traffic
500
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 346 over Buffalo Creek is a concrete slab carrying Sc 346 over Buffalo Creek in Kershaw County, South Carolina. It was built in 1977, so it is 48 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 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 500 vehicles a day, roughly 28% of them trucks, projected to reach 730 by 2043. The structure is 126 ft (38.4 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSc 346
CrossesBuffalo Creek
Location12MI E of Kershaw
RouteState Highway 346
CountyKershaw County
StateSouth Carolina
Coordinates34.53177, -80.37568
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span25 ft (7.6 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic730 by 2043
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 346 over Buffalo Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Sc 346 over Buffalo 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 2024.

How much traffic does Sc 346 over Buffalo Creek carry?

About 500 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is Sc 346 over Buffalo Creek?

The structure is 126 ft (38.4 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.

Who owns Sc 346 over Buffalo Creek?

It is owned by the State Highway Agency.