US Bridges

Ramp on I-26 WB over I-26

Fair

Charleston County, South Carolina · North Charleston · Structure no. 000000000008324

Built
1990
35 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,399 ft
4 main spans
Daily traffic
24,800
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp on I-26 WB over I-26 is a steel continuous stringer/multi-beam or girder carrying Ramp on I-26 WB over I-26 in Charleston County, South Carolina. It was built in 1990, so it is 35 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 24,800 vehicles a day, roughly 9% of them trucks, projected to reach 56,792 by 2043. The structure is 2,399 ft (731.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp on I-26 WB
CrossesI-26
LocationNorth Charleston
RouteInterstate 526
Coordinates32.88276, -80.0179
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
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 rating56.1 US tons
Inventory rating30.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+32 approach)
Design loadHS 20 + Mod
Structure length2,399 ft (731.2 m)
Longest span79 ft (24.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck19 ft (5.8 m)

Traffic and service

Average daily traffic24,800 (2023)
Projected traffic56,792 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 I-26 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ramp on I-26 WB over I-26 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Ramp on I-26 WB over I-26 carry?

About 24,800 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ramp on I-26 WB over I-26?

The structure is 2,399 ft (731.2 m) long with a longest span of 79 ft (24.1 m) and a deck 43 ft wide.

Who owns Ramp on I-26 WB over I-26?

It is owned by the State Highway Agency.