US Bridges

S-28-31 over Buffalo Creek

Good

Kershaw County, South Carolina · 8 MI E of Kershaw · Structure no. 000000000010375

Built
2020
5 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
850
2023 count
Owner
State
State Highway Agency

About this bridge

S-28-31 over Buffalo Creek is a prestressed concrete slab carrying S-28-31 over Buffalo Creek in Kershaw County, South Carolina. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 850 vehicles a day, roughly 18% of them trucks, projected to reach 1,241 by 2043. The structure is 70 ft (21.3 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-28-31
CrossesBuffalo Creek
Location8 MI E of Kershaw
RouteState Highway 31
CountyKershaw County
StateSouth Carolina
Coordinates34.56943, -80.43895
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating61.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic1,241 by 2043
Trucks18%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-28-31 over Buffalo Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is S-28-31 over Buffalo Creek 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 April 2023.

How much traffic does S-28-31 over Buffalo Creek carry?

About 850 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is S-28-31 over Buffalo Creek?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns S-28-31 over Buffalo Creek?

It is owned by the State Highway Agency.