US Bridges

S-28-18 over Swift Creek

Good

Kershaw County, South Carolina · 6 MI SE Camden · Structure no. 000000000001726

Built
1950
75 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,250
2023 count
Owner
State
State Highway Agency

About this bridge

S-28-18 over Swift Creek is a concrete culvert carrying S-28-18 over Swift Creek in Kershaw County, South Carolina. It was built in 1950, so it is 75 years old, older 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 1,250 vehicles a day, roughly 5% of them trucks, projected to reach 1,825 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-28-18
CrossesSwift Creek
Location6 MI SE Camden
RouteState Highway 18
Coordinates34.18957, -80.49698
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2023)
Projected traffic1,825 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-28-18 over Swift Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is S-28-18 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 September 2023.

How much traffic does S-28-18 over Swift Creek carry?

About 1,250 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-28-18 over Swift Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns S-28-18 over Swift Creek?

It is owned by the State Highway Agency.