How Missouri’s Comparative Fault Rule Affects Your Truck Claim

HKD

January 14, 2026

Your Rights After a Truck Accident May Be More Complex Than You Think

When a massive commercial truck collides with your vehicle, the aftermath can feel overwhelming. Between medical appointments, insurance calls, and vehicle repairs, you’re suddenly thrust into a world of legal complexities you never expected to face. In Missouri, one critical factor that can dramatically impact your compensation is the state’s comparative fault rule-a law that determines how much you can recover based on your percentage of responsibility for the accident.

Understanding how Missouri applies comparative fault to truck accident claims isn’t just legal theory-it’s practical knowledge that directly affects the money you might receive for medical bills, lost wages, and pain and suffering. The stakes are particularly high in truck accident cases because commercial vehicles can cause catastrophic damage, and multiple parties might share responsibility for what happened.

💡 Pro Tip: Document everything immediately after a truck accident, including photos, witness statements, and your own written account. Missouri’s comparative fault system means every detail about how the accident occurred could affect your compensation.

Ready to navigate the complexities of Missouri’s comparative fault system? The team at Halvorsen Klote Davis is here to guide you through every step, ensuring you get the compensation you deserve after a truck accident. Don’t wait to take action-reach out at (314) 451-1314 or contact us today for trusted legal support.

Missouri’s Comparative Fault Rule: What Truck Accident Lawyers in St. Louis Need You to Know

Missouri follows what’s known as a pure comparative fault system, specifically outlined in RSMo 537.765. Under this system, an injured party can recover damages even if they are primarily at fault for an accident; the recovery is reduced proportionally by the claimant’s percentage of fault. RSMo 537.067, by contrast, addresses joint and several liability where a defendant is found to bear 51% or more of the fault.

Here’s where it gets interesting for truck accident victims: when a defendant (like a trucking company or driver) is found to bear 51% or more of the fault, they become jointly and severally liable for the entire judgment. This means you can collect the full amount from that defendant, even if other parties also share some responsibility. For truck accident lawyers in St. Louis, this distinction is crucial when multiple parties are involved-such as the truck driver, trucking company, cargo loader, or vehicle manufacturer.

The law specifically states that parties cannot disclose to the jury how this fault allocation will affect the final payout. This protects the integrity of the jury’s decision-making process and ensures they focus on determining fault percentages based solely on the facts, not on financial considerations.

💡 Pro Tip: Keep a detailed journal of how the accident has affected your daily life. Missouri courts consider pain and suffering in damage calculations, and your personal account can be powerful evidence when fault percentages are being determined.

The Critical Timeline: From Crash to Compensation

Time matters significantly in Missouri truck accident cases, not just because of legal deadlines but because evidence can disappear quickly. Understanding the typical timeline helps you protect your rights while navigating the comparative fault system.

  • Immediate aftermath (0-72 hours): Trucking companies often send rapid response teams to accident scenes. Electronic logging device data, which could prove Hours of Service violations, may be overwritten within days.
  • First 30 days: Insurance companies will push for quick statements and settlements. Remember, anything you say can be used to increase your fault percentage under Missouri’s comparative fault rules.
  • Investigation phase (1-6 months): According to FARS traffic fatality trends, commercial motor vehicle crashes often involve complex contributing factors. Your legal team should investigate speed, alcohol/drug use, distraction, and HOS compliance.
  • Settlement negotiations (6-18 months): Most truck accident cases settle during this phase. Your fault percentage becomes a key negotiation point that directly impacts your compensation.
  • Trial preparation (if needed): If settlement fails, preparing for trial means gathering evidence to minimize your fault percentage while maximizing the trucking defendants’ liability.

💡 Pro Tip: Missouri’s statute of limitations for personal injury is generally five years, but evidence preservation demands acting much faster. Some trucking companies only keep driver logs for six months.

Building Your Strongest Case in Missouri’s Fault-Based System

Successfully navigating Missouri’s comparative fault system requires more than just proving the truck driver made a mistake. You need comprehensive evidence showing exactly how the accident occurred and why the commercial defendants bear the majority of responsibility. Truck accident lawyers in St. Louis understand that these cases often involve violations of federal regulations, such as the FMCSA Hours of Service rules that were updated on June 1, 2020.

The attorneys at Halvorsen Klote Davis know that Missouri truck accident cases frequently involve multiple liable parties. When a commercial truck driver causes a crash while working, both the driver and the trucking company may share liability. Under Missouri law, employers are responsible for their employees’ negligent acts during work duties. This can work in your favor-if the combined fault of the driver and company exceeds 50%, they become jointly liable for your full damages.

Evidence collection in truck accident cases goes far beyond typical car accident investigations. Commercial motor vehicles, as defined in Missouri crash statistics, include trucks with six or more tires, buses with 16+ occupant capacity, and vehicles carrying hazardous materials. Each type requires specific investigation approaches to uncover violations that strengthen your case and minimize any potential fault attribution to you.

💡 Pro Tip: Request preservation letters immediately to prevent trucking companies from destroying crucial evidence like driver logs, maintenance records, and GPS data. Missouri courts can impose sanctions for evidence destruction.

Critical Evidence That Shifts Fault Percentages in Truck Cases

The type and quality of evidence in your truck accident case directly impacts how fault percentages are assigned. Missouri’s Traffic Safety Compendium, which analyzes crashes through the Missouri Crash Analysis Reporting System (MOCARS), reveals patterns that experienced attorneys use to build stronger cases. Understanding what evidence matters most can mean the difference between bearing 40% fault versus 10% fault-a huge difference in your final compensation.

Electronic Evidence and Federal Compliance

Modern commercial trucks are rolling data centers. Electronic Logging Devices (ELDs) became mandatory for most commercial drivers and can reveal Hours of Service violations. Under current FMCSA rules, drivers must take a 30-minute break after eight cumulative hours of driving time. The expanded short-haul exception now allows 150 air-miles and 14-hour work shifts, but violations of these rules can significantly impact fault determinations. Truck accident lawyers in St. Louis routinely discover that drivers exceeded their hours, leading to fatigue-related crashes where the commercial defendant bears primary responsibility.

Beyond ELDs, trucks often have Event Data Recorders (similar to airplane black boxes) that capture speed, brake application, and steering inputs in the moments before impact. This objective data can contradict driver statements and shift fault percentages dramatically in your favor.

💡 Pro Tip: If the trucking company claims you cut them off or stopped suddenly, EDR data showing they didn’t brake until impact can prove they weren’t paying attention, potentially eliminating any fault attribution to you.

Insurance Company Tactics in Comparative Fault States

Insurance companies handling truck accident claims in Missouri have become increasingly aggressive in trying to shift blame onto accident victims. They know that pushing your fault percentage from 45% to 51% means paying far less. Understanding their tactics helps you protect your rights and maximize your recovery under Missouri’s comparative fault system.

Common Blame-Shifting Strategies

Trucking insurers often claim passenger vehicle drivers were speeding, following too closely, or distracted-even without solid evidence. They may twist your words from initial statements, argue that your vehicle’s position proves fault, or hire accident reconstructionists who start with the conclusion that you’re to blame. In St. Louis County and throughout Missouri, these companies know that local juries understand the size and weight difference between commercial trucks and passenger vehicles, so they work hard to overcome this natural sympathy.

One particularly effective counter-strategy involves highlighting the professional responsibilities of commercial drivers. CDL holders face stricter standards than regular motorists. When truck accident lawyers in St. Louis can show a professional driver violated industry standards-like failing to check blind spots or ignoring weather conditions that MOCARS data shows contribute to crashes-juries often assign minimal fault to passenger vehicle drivers.

💡 Pro Tip: Never agree to a recorded statement without legal representation. Insurance adjusters are trained to ask questions that make you sound partially at fault, even when you did nothing wrong.

Calculating Damages When Fault Is Shared

Understanding how Missouri’s comparative fault rule affects your actual compensation requires looking at real numbers. The state’s system means that your total damages are first calculated, then reduced by your fault percentage. This makes accurately valuing your claim essential, as undervaluing damages becomes even more costly when fault reduction applies.

Economic and Non-Economic Damage Considerations

Recent NHTSA data shows 42,939 traffic fatalities nationwide in 2021, with large truck crashes accounting for 5,788 of these deaths. In Missouri, damages include medical expenses, lost wages, property damage, and pain and suffering. If you’re found 30% at fault in a case worth $500,000, you would receive $350,000. However, if your truck accident lawyers in St. Louis can reduce your fault to 20%, you’d receive $400,000—a $50,000 difference from just a 10% fault shift.

Punitive damages work differently under Missouri law. These are apportioned severally, meaning each defendant only pays their specific percentage regardless of the 51% rule. If a jury awards punitive damages against a reckless truck driver, that driver pays only their attributed percentage, even if they’re 90% at fault. This makes proving gross negligence or willful misconduct especially important in cases involving drunk driving, falsified logs, or known vehicle defects.

💡 Pro Tip: Future medical costs and lost earning capacity often represent the largest portions of truck accident settlements. Work with economists and medical professionals who can properly document these long-term impacts.

Frequently Asked Questions

Understanding Missouri’s Truck Accident Laws

Navigating Missouri’s comparative fault system raises many questions for truck accident victims. These answers address the most common concerns we hear from clients dealing with serious commercial vehicle crashes.

💡 Pro Tip: Write down all your questions before meeting with an attorney. Missouri’s comparative fault rules have many nuances that affect your specific situation.

Taking Action After Your Truck Accident

The decisions you make after a truck accident can significantly impact your ability to recover fair compensation under Missouri’s fault-based system. Understanding your options helps you make informed choices about your case.

💡 Pro Tip: Most truck accident attorneys offer free consultations where they can evaluate the strength of your case and estimate potential fault allocations based on the evidence.

1. What happens if I’m found to be 51% at fault for my truck accident in Missouri?

Under Missouri’s comparative fault law (a pure comparative fault system under RSMo 537.765), you can recover damages even if you’re found to be more than 50% at fault; your recovery will be reduced by your percentage of fault. RSMo 537.067, however, addresses joint and several liability for defendants who are found to bear 51% or more of the fault, which can affect which defendant(s) may be required to satisfy the full judgment.

2. Can multiple defendants be held responsible in a Missouri truck accident case?

Yes, Missouri law allows multiple defendants to share fault. When any defendant bears 51% or more fault, they become jointly and severally liable for the entire judgment. This often benefits truck accident victims since trucking companies, drivers, cargo loaders, and maintenance providers might all share responsibility. Your attorney can pursue all liable parties to maximize your recovery.

3. How do insurance companies try to increase my fault percentage after a truck crash?

Insurance companies use various tactics to shift blame, including misinterpreting your statements, hiring biased experts, and arguing normal driving behaviors were negligent. They know that increasing your fault percentage directly reduces their payout. This is why Missouri truck accident attorneys recommend never giving recorded statements without legal representation and being cautious about what you post on social media.

4. What evidence is most important for proving the truck driver was primarily at fault?

Critical evidence includes Electronic Logging Device data showing Hours of Service violations, Event Data Recorder information capturing the truck’s movements before impact, maintenance records revealing safety violations, and driver history showing past infractions. The Missouri Crash Analysis Reporting System data can also reveal patterns. Truck accident lawyers in St. Louis know how to obtain and interpret this technical evidence to minimize your fault percentage.

5. How long do I have to file a truck accident claim in Missouri?

Missouri’s statute of limitations for personal injury claims is generally five years from the accident date. However, evidence preservation is time-critical-trucking companies may only keep certain records for months. Additionally, witness memories fade and physical evidence disappears. Starting your claim quickly helps your attorney build the strongest case possible under Missouri’s comparative fault system.

Work with a Trusted Truck Accident Lawyer

Missouri’s comparative fault rule makes truck accident cases particularly complex. The difference between being found 50% at fault versus 51% at fault can substantially change your recovery because damages are reduced proportionally by fault percentage. These cases require thorough investigation, deep understanding of both state and federal trucking regulations, and strategic presentation of evidence to minimize your fault percentage while maximizing the commercial defendants’ liability.

The right legal representation can make a dramatic difference in how fault is allocated and, ultimately, in your financial recovery. Attorneys experienced with Missouri’s comparative fault system know how to counter insurance company tactics, preserve critical evidence, and present your case in the most favorable light. When dealing with the aftermath of a serious truck accident, having knowledgeable legal guidance helps ensure your rights are protected and your recovery is maximized under Missouri law.

Embarking on the journey to secure what you deserve after a truck accident? Halvorsen Klote Davis stands ready to be your compass through Missouri’s intricate comparative fault terrain. Connect with us today at (314) 451-1314 or contact us and let us help chart your course toward rightful compensation.

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