US Bridges

I-126 EB over Ramp on I-126 WB

Fair

Richland County, South Carolina · City of Columbia · Structure no. 000000000003078

Built
1959
66 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
195 ft
3 main spans
Daily traffic
32,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-126 EB over Ramp on I-126 WB is a steel stringer/multi-beam or girder carrying I-126 EB over Ramp on I-126 WB in Richland County, South Carolina. It was built in 1959, 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 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 32,500 vehicles a day, roughly 3% of them trucks, projected to reach 40,300 by 2043. The structure is 195 ft (59.4 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-126 EB
CrossesRamp on I-126 WB
LocationCity of Columbia
RouteInterstate 126
CountyRichland County
StateSouth Carolina
Coordinates34.00944, -81.05028
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length195 ft (59.4 m)
Longest span65 ft (19.8 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic32,500 (2023)
Projected traffic40,300 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$825,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-126 EB over Ramp on I-126 WB built?

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

What condition is I-126 EB over Ramp on I-126 WB 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-126 EB over Ramp on I-126 WB carry?

About 32,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is I-126 EB over Ramp on I-126 WB?

The structure is 195 ft (59.4 m) long with a longest span of 65 ft (19.8 m) and a deck 36 ft wide.

Who owns I-126 EB over Ramp on I-126 WB?

It is owned by the State Highway Agency.