US Bridges

I-26 over US 1

Fair

Lexington County, South Carolina · 4 MI W Columbia · Structure no. 000000000003023

Built
1959
66 years old, rebuilt 1993
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
220 ft
4 main spans
Daily traffic
87,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 over US 1 is a concrete tee beam carrying I-26 over US 1 in Lexington County, South Carolina. It was built in 1959 and reconstructed in 1993, so it is 66 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 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 87,500 vehicles a day, roughly 9% of them trucks, projected to reach 124,250 by 2043. The structure is 220 ft (67.1 m) long and 131 ft wide.

Location

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CarriesI-26
CrossesUS 1
Location4 MI W Columbia
RouteInterstate 26
CountyLexington County
StateSouth Carolina
Coordinates33.98082, -81.10703
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length220 ft (67.1 m)
Longest span55 ft (16.8 m)
Deck width131 ft (39.9 m)
Roadway width126 ft (38.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,500 (2023)
Projected traffic124,250 by 2043
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-26 over US 1 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1993.

What condition is I-26 over US 1 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 November 2023.

How much traffic does I-26 over US 1 carry?

About 87,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-26 over US 1?

The structure is 220 ft (67.1 m) long with a longest span of 55 ft (16.8 m) and a deck 131 ft wide.

Who owns I-26 over US 1?

It is owned by the State Highway Agency.