US Bridges

I-26/RAMP Off I-26 over RR CSXT

Fair

Richland County, South Carolina · 4 MI NW of Columbia · Structure no. 000000000002823

Built
1958
67 years old, rebuilt 1986
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
165 ft
3 main spans
Daily traffic
130,700
2023 count
Owner
State
State Highway Agency

About this bridge

I-26/RAMP Off I-26 over RR CSXT is a concrete tee beam carrying I-26/RAMP Off I-26 over RR CSXT in Richland County, South Carolina. It was built in 1958 and reconstructed in 1986, 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 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 130,700 vehicles a day, roughly 9% of them trucks, projected to reach 168,603 by 2043. The structure is 165 ft (50.3 m) long and 123 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-26/RAMP Off I-26
CrossesRR CSXT
Location4 MI NW of Columbia
RouteInterstate 26
CountyRichland County
StateSouth Carolina
Coordinates34.02634, -81.1023
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 inspectionDecember 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 rating46.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length165 ft (50.3 m)
Longest span55 ft (16.8 m)
Deck width123 ft (37.6 m)
Roadway width114 ft (34.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130,700 (2023)
Projected traffic168,603 by 2043
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-26/RAMP Off I-26 over RR CSXT built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1986.

What condition is I-26/RAMP Off I-26 over RR CSXT 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/RAMP Off I-26 over RR CSXT carry?

About 130,700 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-26/RAMP Off I-26 over RR CSXT?

The structure is 165 ft (50.3 m) long with a longest span of 55 ft (16.8 m) and a deck 123 ft wide.

Who owns I-26/RAMP Off I-26 over RR CSXT?

It is owned by the State Highway Agency.