US Bridges

S-26-45 over Lousing Swamp

Fair

Horry County, South Carolina · 4 MI SE Galivants Ferry · Structure no. 000000000002374

Built
1956
69 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

S-26-45 over Lousing Swamp is a concrete slab carrying S-26-45 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 1,000 vehicles a day, roughly 7% of them trucks, projected to reach 1,460 by 2043. The structure is 60 ft (18.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-26-45
CrossesLousing Swamp
Location4 MI SE Galivants Ferry
RouteState Highway 45
Coordinates34.04964, -79.184
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be 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 rating31.1 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 10
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,460 by 2043
Trucks7%
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-26-45 over Lousing Swamp built?

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

What condition is S-26-45 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 June 2023.

How much traffic does S-26-45 over Lousing Swamp carry?

About 1,000 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-26-45 over Lousing Swamp?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns S-26-45 over Lousing Swamp?

It is owned by the State Highway Agency.