US Bridges

I-126 over L-43-4083

Good

Richland County, South Carolina · 1 MI NW of Columbia · Structure no. 000000000003459

Built
1960
65 years old, rebuilt 1979
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
65,000
2023 count
Owner
State
State Highway Agency

About this bridge

I-126 over L-43-4083 is a concrete culvert carrying I-126 over L-43-4083 in Richland County, South Carolina. It was built in 1960 and reconstructed in 1979, so it is 65 years old, older 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 65,000 vehicles a day, roughly 3% of them trucks, projected to reach 83,850 by 2043. The structure is 25 ft (7.6 m) long and 210 ft wide.

CarriesI-126
CrossesL-43-4083
Location1 MI NW of Columbia
RouteInterstate 126
Coordinates34.00833, -81.05528
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
Culvert7 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 rating41.4 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width210 ft (64 m)
Roadway width140 ft (42.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,000 (2023)
Projected traffic83,850 by 2043
Trucks3%
Lanes on structure8
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$323,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-126 over L-43-4083 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1979.

What condition is I-126 over L-43-4083 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 I-126 over L-43-4083 carry?

About 65,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is I-126 over L-43-4083?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 210 ft wide.

Who owns I-126 over L-43-4083?

It is owned by the State Highway Agency.