US Bridges

S-26-107 over Crab Tree Swamp

Good

Horry County, South Carolina · City of Conway · Structure no. 000000000009027

Built
1996
29 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

S-26-107 over Crab Tree Swamp is a concrete continuous slab carrying S-26-107 over Crab Tree Swamp in Horry County, South Carolina. It was built in 1996, so it is 29 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 5,000 vehicles a day, roughly 3% of them trucks, projected to reach 4,550 by 2043. The structure is 90 ft (27.4 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-26-107
CrossesCrab Tree Swamp
LocationCity of Conway
RouteState Highway 107
Coordinates33.85598, -79.06271
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic4,550 by 2043
Trucks3%
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-26-107 over Crab Tree Swamp built?

It was built in 1996, making it 29 years old in 2025.

What condition is S-26-107 over Crab Tree 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 August 2023.

How much traffic does S-26-107 over Crab Tree Swamp carry?

About 5,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-26-107 over Crab Tree Swamp?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 48 ft wide.

Who owns S-26-107 over Crab Tree Swamp?

It is owned by the State Highway Agency.