What counts as a maintenance failure in a truck accident case?

A maintenance failure is a mechanical problem that a carrier should have caught or fixed through routine inspection and repair, such as worn brake linings, tires below the legal tread depth, a cracked wheel, or a steering or suspension defect. These differ from sudden, unforeseeable part failures because they usually leave a paper trail of missed or deferred maintenance in the truck's own records.

Who is responsible for keeping a commercial truck properly maintained?

The motor carrier that controls the truck is responsible for systematically inspecting, repairing, and maintaining it, along with the drivers who complete daily inspection reports. Responsibility can extend to a leasing company or a separate maintenance contractor if that party actually handled the truck's upkeep, so identifying every party involved in maintaining the vehicle is part of investigating the claim.

Can a passed inspection still mean the carrier was negligent?

Yes. An annual inspection reflects the truck's condition on a single day, not a promise that nothing will fail afterward. A carrier that skips a recommended repair, ignores a driver's inspection report, or lets a known issue go unaddressed after a passing inspection can still be negligent for what happened later.

How can an attorney get a trucking company's maintenance records?

An attorney typically starts with a written request or preservation letter to the carrier and its insurer, then uses formal discovery, including subpoenas, if the carrier does not produce the records voluntarily once a lawsuit is filed. Because federal law only requires carriers to keep these records for a limited time, requesting them without unnecessary delay improves the chances they still exist.

Commercial Truck Insurance Claims

If you have ever filed a car insurance claim, a commercial truck insurance claim can feel like an entirely different process, and in several real ways, it is. More coverage is often involved, more parties can be implicated, and the trucking company’s side may already be investigating before you have had a chance to catch your breath.

This page walks through what actually makes a commercial truck insurance claim more complex than an ordinary car accident claim, as understood by Colorado truck accident attorneys. For a broader look at what affects the value of a claim once these pieces are sorted out, see our truck accident settlement factors page.

Multiple Layers of Coverage

Commercial trucking policies are frequently structured in layers: a primary policy, and often one or more excess or umbrella policies stacked on top of it. Federal regulations under 49 C.F.R. Part 387^[1] set the minimum required liability coverage for a motor carrier, but the minimum is a floor, not the full picture of what may actually be available. Identifying every layer that could respond to a claim, and in what order, is a step an ordinary car accident claim usually does not require.

The MCS-90 Endorsement

Most interstate motor carrier policies must carry a federally required endorsement known as the MCS-90, in the form the FMCSA prescribes under 49 C.F.R. § 387.15^[2]. The endorsement itself, created under Sections 29 and 30 of the Motor Carrier Act of 1980, does the substantive work: if an insurer would otherwise deny a claim based on a policy exclusion or a technicality, such as an unlisted vehicle or driver, the MCS-90 can still require the insurer to pay an injured person up to the applicable federal minimum. It does not expand the carrier’s actual coverage or protect the carrier itself; it protects the public. After paying under the endorsement, the insurer can generally seek reimbursement from the carrier for amounts it would not otherwise have owed.

Rapid Response Teams and Early Investigation

Larger motor carriers and their insurers often have established procedures for responding quickly to a serious crash, which can include investigators, adjusters, or defense counsel arriving at or near the scene. This response is organized to protect the carrier’s position, not to help the injured person, and it can begin well before an injured person has legal representation of their own.

Separately, motor carriers are required to maintain an accident register for each qualifying crash for three years under 49 C.F.R. § 390.15^[3], and to make accident records available to authorized investigators. That obligation exists regardless of fault. Our evidence after a truck accident and black box data pages cover how this evidence is identified and preserved in more detail.

Sorting Out Who Is Actually Responsible

A truck accident claim is not always a claim against “the trucking company” in a simple sense. Some drivers are direct employees of the carrier. Others operate as independent contractors leased to a carrier under a longer-term agreement. Still others are involved in a load arranged by a broker who does not own the truck at all. Each arrangement can affect which insurance policy is actually triggered and which party bears legal responsibility, and carriers sometimes structure these relationships specifically to limit their own exposure. When more than one party may share fault, how responsibility is divided among them is measured under Colorado’s comparative negligence law, C.R.S. § 13-21-111^[4].

Self-Insured Motor Carriers

Some large fleets are approved to self-insure some or all of their liability risk instead of, or in addition to, carrying a traditional commercial policy, subject to FMCSA approval of the carrier’s financial condition under 49 C.F.R. § 387.309^[5]. Self-insurance authority is tied to maintaining a satisfactory safety rating and generally expires if that rating drops. A self-insured carrier still has to meet the same minimum financial responsibility levels as an insured one, but the claims process can look different, since an injured person may be dealing with the carrier’s own claims department rather than an independent insurance company.

Reading a Commercial Claim Without Oversimplifying It

None of this complexity is designed to confuse you specifically, but it does mean a commercial truck claim rarely resolves the way an ordinary car accident insurance claim usually does.

More available coverage does not mean a simpler claim, either. Higher policy limits and multiple layers of coverage mean more may be available, but identifying which layer responds, and in what order, adds a step an ordinary car accident claim usually does not require at all.

The carrier’s early investigation is not neutral, either. A rapid response team works on behalf of the trucking company, not the injured person, which is one reason an independent investigation on your side matters before that early record becomes the only version of events.

Responsibility is not always where it first appears to be. Whether a driver is an employee, an independent contractor leased to a carrier, or working under a broker-arranged load can change which insurance policy responds and who is ultimately accountable for what happened.

Sorting out coverage layers, carrier investigations, and responsible parties is not something a general overview like this one can fully resolve for you, only help you begin to make sense of it.

Frequently Asked Questions

Why does a commercial truck insurance claim take longer than a car insurance claim?

A truck accident claim usually involves more layers of coverage, more potentially responsible parties, and often a rapid, carrier-directed investigation that begins before you even have legal representation. Sorting out which policy applies, who was actually at fault, and how the carrier’s own investigation may have shaped the early record all take more time than a straightforward two-car claim typically requires.

What is the MCS-90 endorsement and how does it affect my claim?

The MCS-90 is a federally required endorsement attached to most interstate motor carrier insurance policies. If the insurer would otherwise deny a claim based on a policy exclusion or technicality, the MCS-90 can still require the insurer to pay an injured person up to the federal minimum. It functions as a safety net for the public rather than additional coverage for the carrier, and the insurer can later seek reimbursement from the carrier for what it paid under the endorsement.

Why did I hear a trucking company already had investigators at the scene?

Larger motor carriers and their insurers often have established procedures for responding quickly to serious crashes, sometimes dispatching investigators, adjusters, or defense counsel to the scene. This response is organized on behalf of the carrier, not the injured person, which is part of why an early, independent investigation on your own side matters.

Is the trucking company or the driver responsible for my claim?

It depends on the relationship between the driver and the company, and that relationship is not always straightforward. Some drivers are direct employees, some operate as independent contractors leased to a carrier, and some crashes involve a broker that arranged the load without owning the truck. Each arrangement can affect which insurance policy responds and who is ultimately responsible.

What if the trucking company is self-insured?

Some large fleets self-insure some or all of their risk instead of, or in addition to, carrying a traditional policy, subject to FMCSA approval and financial requirements. A self-insured carrier is still required to meet the same minimum financial responsibility levels as an insured carrier, but the claims process can work differently since you may be dealing with the company’s own claims department rather than an outside insurer.

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Talk to a Colorado Truck Accident Attorney About Your Claim

Sorting out coverage layers, carrier investigations, and responsible parties is not something you should have to untangle alone. Elkus & Sisson, P.C. represents injured drivers and families across Denver, Greenwood Village, Lakewood, Aurora, and Boulder in personal injury matters including truck accident claims, trucking company liability, catastrophic injury, and wrongful death. See our Colorado office locations to find the one nearest you.

If you have questions about a commercial truck insurance claim in Colorado, contact us or call +1 303-567-7981 to schedule a confidential consultation.

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