US Bridges

Ramp Off I-526 EB over RR CSXT

Fair

Charleston County, South Carolina · In N. Charleston · Structure no. 000000000008524

Built
1992
33 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,576 ft
8 main spans
Daily traffic
6,700
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp Off I-526 EB over RR CSXT is a prestressed concrete stringer/multi-beam or girder carrying Ramp Off I-526 EB over RR CSXT in Charleston County, South Carolina. It was built in 1992, so it is 33 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 6,700 vehicles a day, roughly 9% of them trucks, projected to reach 15,343 by 2043. The structure is 2,576 ft (785.1 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRamp Off I-526 EB
CrossesRR CSXT
LocationIn N. Charleston
RouteInterstate 526
CountyCharleston County
StateSouth Carolina
Coordinates32.89283, -79.97839
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8 (+67 approach)
Design loadHS 20 + Mod
Structure length2,576 ft (785.1 m)
Longest span110 ft (33.5 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2023)
Projected traffic15,343 by 2043
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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 Off I-526 EB over RR CSXT built?

It was built in 1992, making it 33 years old in 2025.

What condition is Ramp Off I-526 EB over RR CSXT 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 Off I-526 EB over RR CSXT carry?

About 6,700 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ramp Off I-526 EB over RR CSXT?

The structure is 2,576 ft (785.1 m) long with a longest span of 110 ft (33.5 m) and a deck 25 ft wide.

Who owns Ramp Off I-526 EB over RR CSXT?

It is owned by the State Highway Agency.