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Third-Party Worksite Accidents: When Can You Sue Beyond Workers' Compensation?

Downs, McDonough & Foley June 16, 2025

In Colorado, worksite accidents are an unfortunate reality that can have devastating consequences for employees. While Colorado's workers' compensation system provides essential benefits to injured workers, it doesn’t always cover the full extent of damages, especially when a third party's negligence is involved.

Understanding when and how to pursue a third-party lawsuit in addition to a workers' compensation claim can significantly impact the financial recovery and justice for the injured party. At Downs, McDonough & Foley, we’re dedicated to helping workers in Durango, Colorado, and the surrounding areas who have been injured on the job.

Our professionals understand the challenges of working through both workers’ compensation and third-party claims, and we work tirelessly to make sure that injured employees receive the maximum compensation available. From investigating liability to negotiating with insurance companies, we provide trusted legal guidance at every step. 

If you've suffered a serious worksite accident, knowing all your options can make a critical difference in your recovery and long-term well-being.

How Workers' Compensation Works in Colorado

Colorado's workers' compensation system is designed to provide medical benefits, wage replacement, and rehabilitation services to employees injured in worksite accidents, regardless of fault. This no-fault approach makes sure that injured workers can receive timely support without needing to prove that their employer was responsible for the incident. 

It covers a wide range of injuries, including those resulting from accidents, repetitive motion, and occupational diseases. This system offers a streamlined process for compensation but limits an employee's ability to sue their employer for work-related injuries. 

Once an employee accepts workers’ compensation benefits for worksite accidents, they generally forfeit the right to file a personal injury lawsuit against their employer, even if negligence played a role. 

This trade-off is designed to reduce litigation and provide faster payouts for injured workers, but it can sometimes fall short of covering all the losses a worker suffers, especially non-economic damages like pain and suffering. However, this exclusivity doesn’t extend to third parties whose negligence may have contributed to the injury. 

For instance, if a worker is hurt due to a defective piece of equipment manufactured by a different company, that company may be held liable through a separate personal injury claim. Similarly, if a subcontractor or delivery driver causes an accident on a shared job site, the injured worker may have grounds for a third-party lawsuit.

Identifying these third-party opportunities can lead to additional compensation beyond what is available through workers' compensation alone. These claims can provide broader financial relief, covering losses that workers’ comp doesn’t, and they play a crucial role in holding negligent parties accountable. 

Consulting with a knowledgeable worksite accident attorney can help determine whether a third-party claim is viable and how it can complement your workers' compensation benefits.

When Can You Sue a Third Party?

Employees may pursue a third-party lawsuit when their injury is caused by someone other than their employer or co-worker. These types of claims are especially important because they allow injured workers to seek compensation for damages that go beyond what workers’ compensation typically provides, such as pain and suffering or full wage loss. 

Identifying a third party at fault for worksite accidents can make a significant difference in the overall financial recovery after a serious worksite accident. It's crucial for workers to understand their rights and the types of incidents that might qualify for third-party claims.

  • Defective products: Injuries caused by malfunctioning machinery or equipment.

  • Construction site accidents: Accidents involving subcontractors or other non-employees.

  • Motor vehicle accidents: Collisions involving third-party drivers during work-related tasks.

  • Property owner negligence: Injuries occurring due to unsafe conditions on someone else's property.

  • Exposure to hazardous materials: Injuries resulting from exposure to toxic substances not controlled by the employer.

Each of these scenarios involves a party that isn’t directly employed by the injured worker’s company, which opens the door for a separate legal claim. By pursuing a third-party lawsuit, the injured employee may be eligible to recover additional damages not covered by workers’ compensation, such as emotional distress, full lost income, or long-term disability impacts.

These claims also hold negligent third parties accountable, which can improve workplace safety overall. It’s always advisable to speak with an experienced attorney to evaluate whether a third-party claim is appropriate based on the facts of the case.

Legal Process for Third-Party Lawsuits

Pursuing a third-party lawsuit involves several critical steps. Unlike a workers’ compensation claim, which is handled through an administrative process, a third-party personal injury claim requires proving fault and liability in a civil court. 

This process can be more intricate, but it also offers the opportunity for greater financial recovery. Understanding the steps involved can help injured workers prepare for what lies ahead and maximize their chances of a successful outcome.

  1. Consultation with an attorney: Engage a legal professional experienced in personal injury and workers' compensation law.

  2. Investigation: Gather evidence, including witness statements, accident reports, and expert testimonies.

  3. Filing a claim: Initiate a lawsuit against the responsible third party in civil court.

  4. Negotiation and settlement: Attempt to reach a fair settlement; if unsuccessful, proceed to trial.

  5. Recovery of damages: Seek compensation for medical expenses, lost wages, pain and suffering, and other related costs.

Each step in this process is crucial and should be handled with care and precision. A skilled attorney will manage deadlines, negotiate with insurance companies, and build a compelling case to support your claim. 

While the process may take longer than a workers’ compensation case, the potential for additional compensation, especially for non-economic damages, makes it a worthwhile pursuit for many injured workers. Staying informed and working with a knowledgeable legal professional can make all the difference in the outcome of your third-party lawsuit.

Subrogation and Its Implications

Under Colorado Revised Statutes § 8-41-203, if an injured worker receives workers' compensation benefits and later recovers damages from a third-party lawsuit, the workers' compensation insurer has a right to reimbursement. This process, known as subrogation, makes sure that the insurer is repaid for the benefits it has paid out. 

Subrogation is designed to prevent double recovery, meaning an injured worker shouldn’t receive compensation for the same damages from both the insurer and a third party. However, the employee is entitled to retain any amount recovered that exceeds the insurer's lien, allowing for additional compensation beyond workers' compensation benefits.

For example, if a third-party claim results in a settlement or verdict that includes damages for pain and suffering, loss of enjoyment of life, or full wage loss, not typically covered by workers' comp, the injured worker can retain those funds after the insurer is reimbursed. 

Understanding subrogation rights can be legally confusing, especially when multiple parties or insurers are involved. An experienced attorney can help make sure that your rights are protected and that you retain the full amount of compensation to which you're entitled.

Contact a Worksite Accident Attorney Today

Understanding when and how to file a lawsuit for worksite accidents, along with the implications of subrogation, is crucial for maximizing recovery. If you or a loved one has been injured in a worksite accident, contact the attorneys at Downs, McDonough & Foley today. We serve clients in Durango, Telluride, Pagosa Springs, Cortez, and Four Corners. We’re here to fight for you. Call us today for a consultation.