US Bridges

I-26 over Six Mile Creek

Fair

Lexington County, South Carolina · 2MI SW of W Cola · Structure no. 000000000003376

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
87,600
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 over Six Mile Creek is a concrete culvert carrying I-26 over Six Mile Creek in Lexington County, South Carolina. It was built in 1960, 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 87,600 vehicles a day, roughly 9% of them trucks, projected to reach 124,392 by 2043. The structure is 32 ft (9.8 m) long and 116 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-26
CrossesSix Mile Creek
Location2MI SW of W Cola
RouteInterstate 26
Coordinates33.95212, -81.09206
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width116 ft (35.4 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,600 (2023)
Projected traffic124,392 by 2043
Trucks9%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-26 over Six Mile Creek built?

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

What condition is I-26 over Six Mile 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 June 2024.

How much traffic does I-26 over Six Mile Creek carry?

About 87,600 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-26 over Six Mile Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 116 ft wide.

Who owns I-26 over Six Mile Creek?

It is owned by the State Highway Agency.