US Bridges

S-26-131 over Lousing Swamp

Fair

Horry County, South Carolina · 4 MI E Aynor · Structure no. 000000000002377

Built
1956
69 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
28 ft
2 main spans
Daily traffic
1,150
2023 count
Owner
State
State Highway Agency

About this bridge

S-26-131 over Lousing Swamp is a concrete slab carrying S-26-131 over Lousing Swamp in Horry County, South Carolina. It was built in 1956, so it is 69 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 1,150 vehicles a day, roughly 8% of them trucks, projected to reach 1,679 by 2043. The structure is 28 ft (8.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-26-131
CrossesLousing Swamp
Location4 MI E Aynor
RouteState Highway 131
Coordinates34.02121, -79.12037
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating20.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 10
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2023)
Projected traffic1,679 by 2043
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-26-131 over Lousing Swamp built?

It was built in 1956, making it 69 years old in 2025.

What condition is S-26-131 over Lousing 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 August 2023.

How much traffic does S-26-131 over Lousing Swamp carry?

About 1,150 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-26-131 over Lousing Swamp?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns S-26-131 over Lousing Swamp?

It is owned by the State Highway Agency.