US Bridges

Ramp Off I-126 WB over S-40-287

Good

Richland County, South Carolina · 4 MI W of Columbia · Structure no. 000000000007936

Built
1985
40 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
334 ft
3 main spans
Daily traffic
1,450
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp Off I-126 WB over S-40-287 is a steel continuous stringer/multi-beam or girder carrying Ramp Off I-126 WB over S-40-287 in Richland County, South Carolina. It was built in 1985, so it is 40 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,450 vehicles a day, roughly 9% of them trucks, projected to reach 3,379 by 2043. The structure is 334 ft (101.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp Off I-126 WB
CrossesS-40-287
Location4 MI W of Columbia
RouteInterstate 126
Coordinates34.02086, -81.09378
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length334 ft (101.8 m)
Longest span158 ft (48.2 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2023)
Projected traffic3,379 by 2043
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 Ramp Off I-126 WB over S-40-287 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Ramp Off I-126 WB over S-40-287 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Ramp Off I-126 WB over S-40-287 carry?

About 1,450 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ramp Off I-126 WB over S-40-287?

The structure is 334 ft (101.8 m) long with a longest span of 158 ft (48.2 m) and a deck 35 ft wide.

Who owns Ramp Off I-126 WB over S-40-287?

It is owned by the State Highway Agency.