US Bridges

S-26-1135 over Sterritt Swamp

Fair

Horry County, South Carolina · 4 MI E of Conway · Structure no. 000000000007575

Built
1982
43 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
600
2023 count
Owner
State
State Highway Agency

About this bridge

S-26-1135 over Sterritt Swamp is a concrete slab carrying S-26-1135 over Sterritt Swamp in Horry County, South Carolina. It was built in 1982, so it is 43 years old, younger 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 768 by 2043. The structure is 75 ft (22.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-26-1135
CrossesSterritt Swamp
Location4 MI E of Conway
RouteState Highway 1135
Coordinates33.83672, -78.99004
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
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic768 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-26-1135 over Sterritt Swamp built?

It was built in 1982, making it 43 years old in 2025.

What condition is S-26-1135 over Sterritt 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-26-1135 over Sterritt Swamp carry?

About 600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-26-1135 over Sterritt Swamp?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-26-1135 over Sterritt Swamp?

It is owned by the State Highway Agency.