US Bridges

I-26 WB over I-126

Fair

Richland County, South Carolina · 3MI NW of Columbia · Structure no. 000000000008030

Built
1984
41 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
423 ft
4 main spans
Daily traffic
65,350
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 WB over I-126 is a steel continuous stringer/multi-beam or girder carrying I-26 WB over I-126 in Richland County, South Carolina. It was built in 1984, so it is 41 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 65,350 vehicles a day, roughly 9% of them trucks, projected to reach 84,302 by 2043. The structure is 423 ft (128.9 m) long and 43 ft wide.

CarriesI-26 WB
CrossesI-126
Location3MI NW of Columbia
RouteInterstate 26
Coordinates34.02806, -81.10167
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating34.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length423 ft (128.9 m)
Longest span134 ft (40.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,350 (2023)
Projected traffic84,302 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-26 WB over I-126 built?

It was built in 1984, making it 41 years old in 2025.

What condition is I-26 WB over I-126 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 December 2023.

How much traffic does I-26 WB over I-126 carry?

About 65,350 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-26 WB over I-126?

The structure is 423 ft (128.9 m) long with a longest span of 134 ft (40.8 m) and a deck 43 ft wide.

Who owns I-26 WB over I-126?

It is owned by the State Highway Agency.