US Bridges

S-26-306 over Huggins Swamp

Fair

Horry County, South Carolina · 5MI NE Green Sea · Structure no. 000000000002992

Built
1959
66 years old, rebuilt 1992
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
450
2023 count
Owner
State
State Highway Agency

About this bridge

S-26-306 over Huggins Swamp is a concrete slab carrying S-26-306 over Huggins Swamp in Horry County, South Carolina. It was built in 1959 and reconstructed in 1992, 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 6 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 450 vehicles a day, roughly 6% of them trucks, projected to reach 626 by 2043. The structure is 30 ft (9.1 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-26-306
CrossesHuggins Swamp
Location5MI NE Green Sea
RouteState Highway 306
CountyHorry County
StateSouth Carolina
Coordinates34.15944, -78.91056
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2023)
Projected traffic626 by 2043
Trucks6%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-26-306 over Huggins Swamp built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1992.

What condition is S-26-306 over Huggins 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 2024.

How much traffic does S-26-306 over Huggins Swamp carry?

About 450 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-26-306 over Huggins Swamp?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-26-306 over Huggins Swamp?

It is owned by the State Highway Agency.