US Bridges

Sc 31 SB over L-1244/RIVER Oaks DR

Good

Horry County, South Carolina · 9.6 MI NE Socastee · Structure no. 000000000009780

Built
2002
23 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
204 ft
2 main spans
Daily traffic
15,750
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 31 SB over L-1244/RIVER Oaks DR is a prestressed concrete continuous stringer/multi-beam or girder carrying Sc 31 SB over L-1244/RIVER Oaks DR in Horry County, South Carolina. It was built in 2002, so it is 23 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 15,750 vehicles a day, roughly 6% of them trucks, projected to reach 26,618 by 2043. The structure is 204 ft (62.3 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 31 SB
CrossesL-1244/RIVER Oaks DR
Location9.6 MI NE Socastee
RouteState Highway 31
Coordinates33.75083, -78.86861
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating57.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length204 ft (62.3 m)
Longest span102 ft (31.1 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,750 (2023)
Projected traffic26,618 by 2043
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 SB over L-1244/RIVER Oaks DR built?

It was built in 2002, making it 23 years old in 2025.

What condition is Sc 31 SB over L-1244/RIVER Oaks DR 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 October 2024.

How much traffic does Sc 31 SB over L-1244/RIVER Oaks DR carry?

About 15,750 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Sc 31 SB over L-1244/RIVER Oaks DR?

The structure is 204 ft (62.3 m) long with a longest span of 102 ft (31.1 m) and a deck 59 ft wide.

Who owns Sc 31 SB over L-1244/RIVER Oaks DR?

It is owned by the State Highway Agency.