US Bridges

Sc 31 Sbl over Sc 544

Good

Horry County, South Carolina · 3 MI N Myrtle Beach · Structure no. 000000000010261

Built
2004
21 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
227 ft
2 main spans
Daily traffic
13,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 31 Sbl over Sc 544 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sc 31 Sbl over Sc 544 in Horry County, South Carolina. It was built in 2004, so it is 21 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 13,000 vehicles a day, roughly 5% of them trucks, projected to reach 37,570 by 2043. The structure is 227 ft (69.1 m) long and 99 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSc 31 Sbl
CrossesSc 544
Location3 MI N Myrtle Beach
RouteState Highway 31
Coordinates33.70083, -79.015
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.8 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length227 ft (69.1 m)
Longest span122 ft (37.2 m)
Deck width99 ft (30.2 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2023)
Projected traffic37,570 by 2043
Trucks5%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 31 Sbl over Sc 544 built?

It was built in 2004, making it 21 years old in 2025.

What condition is Sc 31 Sbl over Sc 544 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 November 2023.

How much traffic does Sc 31 Sbl over Sc 544 carry?

About 13,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Sc 31 Sbl over Sc 544?

The structure is 227 ft (69.1 m) long with a longest span of 122 ft (37.2 m) and a deck 99 ft wide.

Who owns Sc 31 Sbl over Sc 544?

It is owned by the State Highway Agency.