Columbia Jackknife Truck Accident Lawyer

Legally Reviewed by Brent Stewart: July 01, 2026

The interstate system running through Columbia carries some of the heaviest commercial truck traffic in South Carolina. I-26 heading west toward the state line, I-20 cutting across the Midlands, and I-77 connecting the region to Charlotte all funnel thousands of loaded tractor-trailers through Richland County every day. When one of those trucks jackknifes, the trailer swings outward in an arc that can span two or three lanes in under a second. Other drivers have almost no time to react. The vehicles that get caught in that path are rarely a match for the forces involved.

Brent Stewart is a licensed member of the South Carolina Bar with more than 30 years of experience handling serious injury cases throughout Columbia and Richland County. He built Stewart Law Offices on the belief that injured people deserve the same quality of legal representation that insurance companies and trucking carriers bring to the table from the moment a crash occurs. 

When you bring your case to our firm, you work directly with your attorney, receive honest guidance about your options, and never feel like just another file moving through a system. If you or someone in your family was injured in a jackknife accident, contact our Columbia jackknife accident lawyer today for a free consultation.

What a Jackknife Accident Actually Is?

A jackknife accident occurs when a tractor-trailer folds at the coupling point between the cab and trailer, forming an angle that resembles an open pocketknife closing on itself. It happens when the cab and trailer begin traveling in different directions simultaneously, which can occur in a fraction of a second.

The most common mechanical trigger is brake lockup on the drive axles. When the cab’s rear wheels stop rotating abruptly while the trailer’s momentum continues carrying it forward, the trailer begins pivoting outward around the kingpin coupling. It can swing across adjacent lanes without warning. Drivers in those lanes, going about their normal business on a Columbia interstate or highway, may have no opportunity to brake or swerve before the trailer reaches them.

This is what makes jackknife crashes so different from most truck accident types. A rear-end collision gives surrounding traffic at least some opportunity to observe what is happening. A jackknife event gives almost none. The trailer appears in a lane where it was not a moment before, and by the time a driver registers what they are seeing, contact has often already occurred.

How Common Are Truck Accidents in South Carolina

According to the South Carolina Department of Public Safety’s 2023 Traffic Collision report, truck tractors were involved in 87 fatal collisions in South Carolina in 2023, an increase from 81 in 2022. In total, there were 6,048 collisions involving truck tractors in 2023 statewide.

South Carolina recorded 175,518  large truck crashes in 2024, slightly  lower than either 2024 or 2023, according to FMCSA data. 

In multi-unit truck tractor collisions in South Carolina in 2023, truck driver error contributed to 47.2 percent of collisions, meaning 52.8 percent were not primarily caused by the truck driver. That figure highlights how often other factors, including mechanical failures, improper cargo loading, and poor maintenance, play a role in crashes that may look at first glance like driver negligence alone.  

What Causes a Tractor-Trailer to Jackknife in Columbia

Several distinct factors can cause or contribute to a jackknife, and identifying the actual cause in your specific crash is one of the most important things an attorney does in the early stages of a case.

Excessive speed and sudden braking. When a truck driver encounters an unexpected road condition and applies the brakes hard from a high speed, the momentum of the fully loaded trailer can overwhelm the traction of the drive axles. This is particularly dangerous on high-speed stretches of I-26 west of Columbia and on I-20 approaching the Broad River interchanges, where trucks are often traveling at or near posted highway speeds.

Slippery road surfaces. Rain, wet pavement, and the occasional ice event in the Columbia area can dramatically reduce the friction available to prevent a trailer from sliding when braking occurs. A truck operating safely on dry pavement can jackknife very quickly on a wet surface if the driver does not adjust their following distance and braking technique.

Curves and ramps. Curves require a driver to balance speed and steering inputs carefully. When a loaded trailer enters a curve at a speed that is too high for conditions, or when a driver makes an aggressive steering correction, the trailer can begin to swing. The interchange ramps at I-26, I-77, and I-20 in the Columbia area are locations where this risk is elevated.

Brake malfunction and improper maintenance. Federal regulations require that commercial vehicle brake systems be inspected and maintained on a regular schedule. When brakes are out of adjustment, air pressure is insufficient, or brake components have worn past acceptable limits without being replaced, the braking system may behave unpredictably under load. A brake failure that causes uneven stopping force across axles is a documented jackknife trigger.

Improperly loaded or shifted cargo. Cargo that has not been properly secured can shift during transit, altering the trailer’s weight distribution and center of gravity. An improperly balanced load changes how the trailer responds to braking and turning inputs, making a jackknife more likely even when the driver is operating normally.

Driver fatigue, distraction, and impairment. A fatigued driver may react too slowly to a developing road hazard, apply the brakes too aggressively, or make poor steering decisions when the trailer begins to skid. Distracted driving and impairment carry the same risks, and federal hours-of-service regulations exist specifically because driver fatigue is a documented contributor to serious commercial truck crashes.

Negligent driving practices generally. From driving too fast for conditions to failing to account for the additional stopping distance a loaded trailer requires, poor driving decisions that seem minor in a passenger car can initiate a jackknife in a fully loaded tractor-trailer.

Who Can Be Held Liable in a Columbia Jackknife Truck Accident

One of the most important things to understand about a Columbia jackknife accident claim is that the truck driver is rarely the only party who bears legal responsibility.

• The Truck Driver: The driver can be directly liable for decisions such as speeding, distraction, impairment, fatigue, or improper braking technique that caused or contributed to the jackknife.
• The Trucking Company: The company can be held liable both vicariously (through the doctrine of respondeat superior) for the driver’s negligence committed within the scope of employment, and directly for its own negligence in hiring, training, supervising, or dispatching the driver..
• The Cargo Owner or Shipper: Liability may arise if improperly loaded, overloaded, or inadequately secured cargo contributed to the truck’s instability and jackknife.
• Maintenance Contractors: A third-party maintenance provider can be liable for defective brake repairs, improper tire service, or other mechanical failures that played a role in the crash.
• Vehicle or Parts Manufacturers: Product liability may apply if a defective component (such as brakes, air systems, or couplings) failed during normal use.
• Government Entities: If poor road design, inadequate signage, or dangerous road conditions on a state or county road contributed to the crash, the governmental entity may be liable under the South Carolina Tort Claims Act, which has strict notice and shorter filing deadlines.

Identifying every potentially responsible party is critical because each defendant typically carries its own insurance coverage. A thorough investigation is essential to maximize recovery in jackknife truck accident cases.

Compensation Available to Columbia Jackknife Accident Victims

South Carolina law allows victims injured in a jackknife crash to pursue the full scope of economic and non-economic losses the crash has caused.

• Economic damages include all past and future medical expenses, hospital stays, surgeries, rehabilitation, prescription medications, and assistive devices. They also include lost wages during recovery and, when injuries are permanent or severe, the reduction in future earning capacity that results from the victim’s changed physical condition.
• Non-economic damages cover the physical pain of recovering from serious injuries, emotional distress and PTSD following a traumatic crash, permanent scarring or disfigurement, and loss of enjoyment of life.

When a defendant’s conduct was willful, reckless, or wanton, such as a driver who was operating far past legal hours-of-service limits while carrying a load the company knew was improperly secured, punitive damages may also be available under SC Code Section 15-32-530. 

Wrongful death claims are available to surviving family members under SC Code Section 15-51-10 when a jackknife accident proves fatal, covering funeral and medical costs, the deceased’s projected lifetime earnings, and the family’s loss of companionship.

How Pain and Suffering Are Calculated in South Carolina

Many clients ask how non-economic damages like pain and suffering are turned into a number. South Carolina courts generally recognize two methods. The per diem approach assigns a daily dollar value to the victim’s pain and suffering for each day they experience it, from the date of the accident through projected future impact.

The multiplier approach multiplies the total economic damages by a factor that reflects the overall severity, permanence, and life impact of the injuries, typically ranging from 1.5 to 5 depending on the circumstances. Our attorneys evaluate which approach produces the most accurate reflection of what you have actually lost and present that calculation clearly in every demand package.

What to Do After a Jackknife Crash in Columbia

The steps taken in the hours after a jackknife accident directly affect both your health and the strength of your eventual claim.

• Call 911 and request both law enforcement and emergency medical services. Seek emergency medical evaluation the same day even if injuries seem manageable, since traumatic brain injuries, internal injuries, and spinal damage frequently produce delayed symptoms. Prisma Health Richland, located on Harden Street in Columbia, is the primary trauma facility serving the Midlands for crash-related injuries.
• Document the scene if you are physically able. Photographs of vehicle positions, road conditions, skid marks, and your visible injuries create a baseline record that cannot be recreated later.
• Collect witness contact information before people leave the scene.
• Do not give any recorded statement to the trucking company’s insurer or any claims representative before speaking with an attorney. These statements are gathered specifically to document anything that might minimize the carrier’s liability exposure.
• Contact a Columbia truck accident attorney as quickly as possible so that a formal spoliation letter can be sent to the trucking company requiring preservation of the truck’s event data recorder, electronic logging device data, dashcam footage, maintenance records, cargo manifests, and driver qualification files. The event data recorder in particular can be overwritten within days if the truck is returned to service. Once gone, this evidence cannot be recovered.

The Filing Deadline for Columbia Jackknife Accident Claims

South Carolina’s statute of limitations for personal injury claims is three years from the date of the crash under SC Code Section 15-3-530. Wrongful death claims carry a three-year deadline beginning from the date of death under SC Code Section 15-51-10. 

If a government entity’s road condition contributed to the crash, the SC Tort Claims Act imposes a two-year filing deadline and advance written notice requirements under SC Code Section 15-78-80. (scstatehouse.gov)

While three years may sound generous, the evidence that proves what caused the jackknife begins disappearing immediately. Early attorney involvement protects the evidentiary record far more effectively than waiting until the deadline approaches.

Visit Our Jackknife Truck Accident Attorneys in Columbia, SC

Contact Our Columbia Jackknife Truck Accident Lawyers Today

Stewart Law Offices represents jackknife accident victims throughout Columbia and Richland County on a contingency fee basis. You pay no attorney fees unless we recover compensation for you.

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