US Bridges

I-26 over Goose Creek

Fair

Charleston County, South Carolina · 1.5 MI E of Ladson · Structure no. 000000000003206

Built
1960
65 years old, rebuilt 1999
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
109,600
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 over Goose Creek is a concrete culvert carrying I-26 over Goose Creek in Charleston County, South Carolina. It was built in 1960 and reconstructed in 1999, so it is 65 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 109,600 vehicles a day, roughly 11% of them trucks, projected to reach 152,344 by 2043. The structure is 32 ft (9.7 m) long and 184 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-26
CrossesGoose Creek
Location1.5 MI E of Ladson
RouteInterstate 26
Coordinates32.9851, -80.08002
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width184 ft (56.1 m)
Roadway width116 ft (35.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109,600 (2023)
Projected traffic152,344 by 2043
Trucks11%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 over Goose Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1999.

What condition is I-26 over Goose Creek 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-26 over Goose Creek carry?

About 109,600 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I-26 over Goose Creek?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 184 ft wide.

Who owns I-26 over Goose Creek?

It is owned by the State Highway Agency.