US Bridges

Ramp on I-26 WB over RR Csxt&rr NS&US78

Good

Charleston County, South Carolina · 2 MI SE North Charleston · Structure no. 000000000010607

Built
2020
5 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,031 ft
2 main spans
Daily traffic
2,500
2022 count
Owner
State
State Highway Agency

About this bridge

Ramp on I-26 WB over RR Csxt&rr NS&US78 is a steel continuous stringer/multi-beam or girder carrying Ramp on I-26 WB over RR Csxt&rr NS&US78 in Charleston County, South Carolina. It was built in 2020, so it is 5 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 2,500 vehicles a day, projected to reach 3,725 by 2042. The structure is 2,031 ft (619.1 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesRamp on I-26 WB
CrossesRR Csxt&rr NS&US78
Location2 MI SE North Charleston
RouteState Highway 5
Coordinates32.83471, -79.9577
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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+13 approach)
Design loadHL 93
Structure length2,031 ft (619.1 m)
Longest span238 ft (72.5 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck19 ft (5.9 m)

Traffic and service

Average daily traffic2,500 (2022)
Projected traffic3,725 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed98.8 mi (159 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 Ramp on I-26 WB over RR Csxt&rr NS&US78 built?

It was built in 2020, making it 5 years old in 2025.

What condition is Ramp on I-26 WB over RR Csxt&rr NS&US78 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 January 2025.

How much traffic does Ramp on I-26 WB over RR Csxt&rr NS&US78 carry?

About 2,500 vehicles per day (2022 count).

How long is Ramp on I-26 WB over RR Csxt&rr NS&US78?

The structure is 2,031 ft (619.1 m) long with a longest span of 238 ft (72.5 m) and a deck 35 ft wide.

Who owns Ramp on I-26 WB over RR Csxt&rr NS&US78?

It is owned by the State Highway Agency.