US Bridges

S-26-1338 over Socastee Swamp

Good

Horry County, South Carolina · 3.5 MI NE Socastee · Structure no. 000000000008650

Built
1993
32 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
120 ft
4 main spans
Daily traffic
3,800
2023 count
Owner
State
State Highway Agency

About this bridge

S-26-1338 over Socastee Swamp is a concrete continuous slab carrying S-26-1338 over Socastee Swamp in Horry County, South Carolina. It was built in 1993, so it is 32 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 3,800 vehicles a day, roughly 6% of them trucks, projected to reach 3,458 by 2043. The structure is 120 ft (36.6 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-26-1338
CrossesSocastee Swamp
Location3.5 MI NE Socastee
RouteState Highway 1338
Coordinates33.70784, -78.97087
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 25 or greater
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2023)
Projected traffic3,458 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-26-1338 over Socastee Swamp built?

It was built in 1993, making it 32 years old in 2025.

What condition is S-26-1338 over Socastee Swamp 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 July 2023.

How much traffic does S-26-1338 over Socastee Swamp carry?

About 3,800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-26-1338 over Socastee Swamp?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns S-26-1338 over Socastee Swamp?

It is owned by the State Highway Agency.