US Bridges

S-28-31 over Little Buffalo Creek

Fair

Kershaw County, South Carolina · 11 MI NW of Bethune · Structure no. 000000000008358

Built
1990
35 years old
Condition
Fair
inspected April 2024
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 Little Buffalo Creek is a prestressed concrete slab carrying S-28-31 over Little Buffalo Creek in Kershaw County, South Carolina. It was built in 1990, so it is 35 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 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 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-28-31
CrossesLittle Buffalo Creek
Location11 MI NW of Bethune
RouteState Highway 31
Coordinates34.54542, -80.44978
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating65 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 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 closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$123,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1990, making it 35 years old in 2025.

What condition is S-28-31 over Little 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 April 2024.

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

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

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

The structure is 70 ft (21.3 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns S-28-31 over Little Buffalo Creek?

It is owned by the State Highway Agency.