US Bridges

I-26 EB over S-2472/OCEANIC ST

Fair

Charleston County, South Carolina · In Charleston · Structure no. 000000000004945

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
1,731 ft
27 main spans
Daily traffic
43,900
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 EB over S-2472/OCEANIC ST is a steel stringer/multi-beam or girder carrying I-26 EB over S-2472/OCEANIC ST in Charleston County, South Carolina. It was built in 1967, so it is 58 years old, older 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 43,900 vehicles a day, roughly 5% of them trucks, projected to reach 58,826 by 2043. The structure is 1,731 ft (527.6 m) long and 102 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-26 EB
CrossesS-2472/OCEANIC ST
LocationIn Charleston
RouteInterstate 26
Coordinates32.82343, -79.95335
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 rating56.8 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans27 (+4 approach)
Design loadHS 20 + Mod
Structure length1,731 ft (527.6 m)
Longest span127 ft (38.7 m)
Deck width102 ft (31 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,900 (2023)
Projected traffic58,826 by 2043
Trucks5%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 I-26 EB over S-2472/OCEANIC ST built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-26 EB over S-2472/OCEANIC ST 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 August 2024.

How much traffic does I-26 EB over S-2472/OCEANIC ST carry?

About 43,900 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is I-26 EB over S-2472/OCEANIC ST?

The structure is 1,731 ft (527.6 m) long with a longest span of 127 ft (38.7 m) and a deck 102 ft wide.

Who owns I-26 EB over S-2472/OCEANIC ST?

It is owned by the State Highway Agency.