US Bridges

S-26-143 over Camp Swamp

FairPosted for load

Horry County, South Carolina · 8MI SE Loris · Structure no. 000000000002989

Built
1959
66 years old, rebuilt 1989
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
120 ft
8 main spans
Daily traffic
750
2023 count
Owner
State
State Highway Agency

About this bridge

S-26-143 over Camp Swamp is a concrete slab carrying S-26-143 over Camp Swamp in Horry County, South Carolina. It was built in 1959 and reconstructed in 1989, so it is 66 years old, older 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. Its operating status is: posted for load restriction.

It carries about 750 vehicles a day, roughly 5% of them trucks, projected to reach 960 by 2043. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS-26-143
CrossesCamp Swamp
Location8MI SE Loris
RouteState Highway 143
CountyHorry County
StateSouth Carolina
Coordinates34.01329, -78.74396
Functional classRural Local

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadH 10
Structure length120 ft (36.6 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic960 by 2043
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-26-143 over Camp Swamp built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1989.

What condition is S-26-143 over Camp Swamp 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 July 2023.

How much traffic does S-26-143 over Camp Swamp carry?

About 750 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-26-143 over Camp Swamp?

The structure is 120 ft (36.6 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-26-143 over Camp Swamp?

It is owned by the State Highway Agency.