US Bridges

Sc 544 over Gravley Gully

Good

Horry County, South Carolina · 6.5MI S of Conway · Structure no. 000000000008562

Built
2003
22 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
74 ft
1 main span
Daily traffic
37,800
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 544 over Gravley Gully is a concrete continuous slab carrying Sc 544 over Gravley Gully in Horry County, South Carolina. It was built in 2003, so it is 22 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 37,800 vehicles a day, roughly 7% of them trucks, projected to reach 47,250 by 2043. The structure is 74 ft (22.6 m) long and 79 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSc 544
CrossesGravley Gully
Location6.5MI S of Conway
RouteState Highway 544
Coordinates33.74368, -79.02257
Functional classUrban Other Principal Arterial

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span30 ft (9.1 m)
Deck width79 ft (24.1 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,800 (2023)
Projected traffic47,250 by 2043
Trucks7%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Sc 544 over Gravley Gully built?

It was built in 2003, making it 22 years old in 2025.

What condition is Sc 544 over Gravley Gully 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 2024.

How much traffic does Sc 544 over Gravley Gully carry?

About 37,800 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Sc 544 over Gravley Gully?

The structure is 74 ft (22.6 m) long with a longest span of 30 ft (9.1 m) and a deck 79 ft wide.

Who owns Sc 544 over Gravley Gully?

It is owned by the State Highway Agency.