US Bridges

S-28-12 over Swift Creek

Good

Kershaw County, South Carolina · 8 MI SE of Camden · Structure no. 000000000003344

Built
2001
24 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
140 ft
4 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-28-12 over Swift Creek is a prestressed concrete slab carrying S-28-12 over Swift Creek in Kershaw County, South Carolina. It was built in 2001, so it is 24 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 1,600 vehicles a day, roughly 4% of them trucks, projected to reach 2,336 by 2043. The structure is 140 ft (42.7 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS-28-12
CrossesSwift Creek
Location8 MI SE of Camden
RouteState Highway 12
CountyKershaw County
StateSouth Carolina
Coordinates34.17255, -80.51033
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
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 rating64.6 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span40 ft (12.2 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic2,336 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-28-12 over Swift Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is S-28-12 over Swift 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-28-12 over Swift Creek carry?

About 1,600 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-28-12 over Swift Creek?

The structure is 140 ft (42.7 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns S-28-12 over Swift Creek?

It is owned by the State Highway Agency.