US Bridges

S-1315 Nbl Ramp over Frontage Road

Good

Horry County, South Carolina · In Myrtle Beach · Structure no. 000000000009997

Built
2002
23 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
10,200
2015 count
Owner
State
State Highway Agency

About this bridge

S-1315 Nbl Ramp over Frontage Road is a prestressed concrete stringer/multi-beam or girder carrying S-1315 Nbl Ramp over Frontage Road 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 10,200 vehicles a day, projected to reach 16,830 by 2035. The structure is 110 ft (33.5 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-1315 Nbl Ramp
CrossesFrontage Road
LocationIn Myrtle Beach
RouteState Highway 1315
Coordinates33.75245, -78.85091
Functional classRural Principal Arterial - Other

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 inspectionJuly 2023
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 alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width52 ft (15.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2015)
Projected traffic16,830 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 S-1315 Nbl Ramp over Frontage Road built?

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

What condition is S-1315 Nbl Ramp over Frontage Road 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 July 2023.

How much traffic does S-1315 Nbl Ramp over Frontage Road carry?

About 10,200 vehicles per day (2015 count).

How long is S-1315 Nbl Ramp over Frontage Road?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 52 ft wide.

Who owns S-1315 Nbl Ramp over Frontage Road?

It is owned by the State Highway Agency.