A jackknife truck accident is among the most violent crashes on Missouri highways. When a semi's trailer swings out perpendicular to the cab — sweeping across multiple lanes in seconds — nearby drivers have almost no time to react. The injuries are often catastrophic and life-altering: traumatic brain injuries, spinal cord damage, severe fractures, and in the worst cases, wrongful death. Chris Miller fights for jackknife accident victims throughout Columbia and central Missouri, personally handling every case from the first call through resolution.
Commercial trucking companies send claims investigators to the scene fast — often before injured victims leave the hospital. At Bur Oak Injury Law, we move just as quickly. We send a legal hold to the carrier immediately, securing black box data, maintenance records, and driver logs before they disappear. No fee unless we win.
A jackknife accident occurs when the cab and trailer of a semi-truck fold toward each other — typically during sudden or improper braking — causing the trailer to swing sideways across adjacent lanes. A fully loaded commercial truck can weigh 80,000 pounds. When that mass loses directional control at highway speed, the trailer can rotate 90 degrees or more, engulfing vehicles that have no warning and no room to avoid the collision. These are not ordinary truck accident cases — the multi-lane spread and the speed at which they unfold make jackknife crashes uniquely dangerous and uniquely destructive.
The investigation window is extremely short. The truck's event data recorder — its black box — stores speed, braking, and engine performance data from the seconds before impact, but that data can be overwritten within days if not legally preserved. Electronic logging device records, maintenance inspection reports, and driver qualification files are all subject to routine data cycling. Missouri law allows injured parties to send a spoliation letter requiring the carrier to preserve this evidence immediately after the crash. At Bur Oak Injury Law, we send that letter on day one.
Jackknife crashes on I-70 and US-63 near Columbia often involve multiple vehicles and produce severe injuries — spinal cord damage, traumatic brain injuries, crush fractures, and internal organ injuries. The insurance company's claims team is already building a defense the moment the crash is reported. Retaining legal counsel quickly is the single most important step you can take to protect your right to full compensation for everything this crash has taken from you.
Most jackknife accidents trace back to a decision — by the driver, the carrier, or both — that created an unreasonable risk on the road. Understanding the cause is the foundation of every successful claim.
When a driver applies the brakes too hard — especially on wet or icy pavement — the drive wheels lock up while the trailer continues moving forward. The trailer pushes the cab sideways and the jackknife begins. Panic braking is the single leading cause of jackknife crashes on Missouri highways.
Driving at highway speeds on rain-slicked or snow-covered roads dramatically increases jackknife risk. Missouri winters bring dangerous ice conditions to I-70 and US-63. A driver who fails to reduce speed for road conditions commits a basic negligence violation that courts have consistently recognized.
Carriers are required under federal FMCSA regulations to inspect and maintain brakes on all commercial vehicles. When inspections are skipped or defects are ignored, a brake failure can trigger a jackknife when the driver has no mechanical means to slow the rig — making the carrier independently liable beyond the driver's negligence.
Federal regulations set strict weight and cargo securement limits. When a trailer is overloaded or cargo shifts during transit, the trailer's center of gravity moves — increasing its tendency to swing wide during braking or turning. Both the carrier and the loading company may share liability in these situations.
A driver operating beyond legal hours-of-service limits or distracted by a phone reacts slower in a braking emergency — and slower reaction time is frequently the difference between a controlled stop and a jackknife. Fatigued driver cases require ELD log analysis to establish the violation that caused the crash.
The driver who caused the jackknife through improper braking, excessive speed, fatigue, or distraction bears direct personal liability for the resulting injuries. Missouri law requires commercial truck drivers to operate with heightened care given the size and danger of their vehicles. A driver who panic-braked on a wet highway, followed too closely, or was distracted at the moment of impact has breached that duty of care.
The carrier is often the most financially significant liable party. Under respondeat superior, trucking companies are vicariously liable for their employees' negligence on the job. Beyond vicarious liability, a carrier can face independent liability for negligent hiring, inadequate driver training, pressuring drivers to violate hours-of-service rules, or failing to maintain the vehicle's brakes and safety systems. When a company puts an unqualified driver or a poorly maintained truck on the road, it has a direct and independent duty to the public that it has violated.
Third-party maintenance contractors can bear liability if a brake defect they failed to correct caused the jackknife. Cargo loading companies may share fault when an improperly balanced load destabilized the trailer. Building the complete picture requires immediate action — which is why calling us right away matters so much.
Missouri's pure comparative fault system means you can recover compensation even if you share partial fault in the crash — your award is simply reduced by your percentage of fault. Jackknife accident victims routinely face overwhelming medical costs, extended time away from work, and injuries that permanently alter the course of their lives.
Past and future medical bills, hospitalization, surgery, rehabilitation, and ongoing treatment costs. Lost wages and reduced earning capacity if your injuries prevent you from returning to the same level of work. Vehicle and property damage. In cases producing catastrophic injuries — spinal cord damage, traumatic brain injury, amputation, or permanent paralysis — lifetime care costs can be substantial and must be fully documented before any settlement is reached.
Compensation for physical pain, emotional distress, loss of enjoyment of life, and the lasting impact the injury has on your relationships and daily activities. Missouri does not cap non-economic damages in personal injury cases, which means severely injured victims have the right to full recovery for what they have suffered and what they will continue to face.
When a jackknife crash claims a life, surviving family members may pursue a wrongful death claim under Missouri's wrongful death statute. Recoverable damages include funeral and burial expenses, loss of the deceased's financial support, and the grief and loss of companionship that surviving family members experience.
We advance all case expenses and collect our fee only from a successful recovery. You pay nothing upfront and owe nothing if we do not win. Contact us online or call (573) 499-0200 for a free, confidential consultation — no obligation to retain.
Trucking companies have claims teams working immediately after a crash. Don't wait — black box data and driver records disappear fast. Chris Miller preserves the evidence, builds your case, and fights for fair compensation. No fee unless we win. Call (573) 499-0200 or send us a message.