US Bridges

I-526 WB over US 52&S-60&RR Csxt&ns

Fair

Charleston County, South Carolina · In N. Charleston · Structure no. 000000000008525

Built
1992
33 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
10,615 ft
7 main spans
Daily traffic
41,150
2023 count
Owner
State
State Highway Agency

About this bridge

I-526 WB over US 52&S-60&RR Csxt&ns is a steel continuous stringer/multi-beam or girder carrying I-526 WB over US 52&S-60&RR Csxt&ns 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 5 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 41,150 vehicles a day, roughly 12% of them trucks, projected to reach 63,371 by 2043. The structure is 10,615 ft (3,235.5 m) long and 48 ft wide.

CarriesI-526 WB
CrossesUS 52&S-60&RR Csxt&ns
LocationIn N. Charleston
RouteInterstate 526
Coordinates32.88871, -80.01116
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating20.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+227 approach)
Design loadHS 20 + Mod
Structure length10,615 ft (3,235.5 m)
Longest span187 ft (57 m)
Deck width48 ft (14.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,150 (2023)
Projected traffic63,371 by 2043
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$24.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-526 WB over US 52&S-60&RR Csxt&ns built?

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

What condition is I-526 WB over US 52&S-60&RR Csxt&ns 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 I-526 WB over US 52&S-60&RR Csxt&ns carry?

About 41,150 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is I-526 WB over US 52&S-60&RR Csxt&ns?

The structure is 10,615 ft (3,235.5 m) long with a longest span of 187 ft (57 m) and a deck 48 ft wide.

Who owns I-526 WB over US 52&S-60&RR Csxt&ns?

It is owned by the State Highway Agency.