US Bridges

Sc 31 Bridge Ramp over US 501

Good

Horry County, South Carolina · 3 MI N or Myrtle Beach · Structure no. 000000000010008

Built
2002
23 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
395 ft
4 main spans
Daily traffic
11,300
2015 count
Owner
State
State Highway Agency

About this bridge

Sc 31 Bridge Ramp over US 501 is a prestressed concrete stringer/multi-beam or girder carrying Sc 31 Bridge Ramp over US 501 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 11,300 vehicles a day, projected to reach 16,837 by 2035. The structure is 395 ft (120.4 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSc 31 Bridge Ramp
CrossesUS 501
Location3 MI N or Myrtle Beach
RouteState Highway 31
Coordinates33.74124, -78.95237
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length395 ft (120.4 m)
Longest span143 ft (43.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,300 (2015)
Projected traffic16,837 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 Bridge Ramp over US 501 built?

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

What condition is Sc 31 Bridge Ramp over US 501 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 Bridge Ramp over US 501 carry?

About 11,300 vehicles per day (2015 count).

How long is Sc 31 Bridge Ramp over US 501?

The structure is 395 ft (120.4 m) long with a longest span of 143 ft (43.6 m) and a deck 35 ft wide.

Who owns Sc 31 Bridge Ramp over US 501?

It is owned by the State Highway Agency.