US Bridges

I-26 over RR NS

Fair

Lexington County, South Carolina · 5 MI SW of Columbia · Structure no. 000000000002792

Built
1958
67 years old, rebuilt 1993
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
180 ft
3 main spans
Daily traffic
87,600
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 over RR NS is a concrete tee beam carrying I-26 over RR NS in Lexington County, South Carolina. It was built in 1958 and reconstructed in 1993, so it is 67 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 180 ft (54.9 m) long and 107 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-26
CrossesRR NS
Location5 MI SW of Columbia
RouteInterstate 26
CountyLexington County
StateSouth Carolina
Coordinates33.9463, -81.09016
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
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 spans3
Design loadHS 20 + Mod
Structure length180 ft (54.9 m)
Longest span60 ft (18.3 m)
Deck width107 ft (32.6 m)
Roadway width101 ft (30.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,600 (2023)
Projected traffic124,392 by 2043
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 RR NS built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1993.

What condition is I-26 over RR NS 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 RR NS carry?

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

How long is I-26 over RR NS?

The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 107 ft wide.

Who owns I-26 over RR NS?

It is owned by the State Highway Agency.