Mark Anderson | March 24, 2026 | Truck Accident
The MCS-90 is an insurance endorsement. It is required by federal law for certain commercial motor carriers operating in interstate commerce. The endorsement can provide coverage for truck accident victims, even when the carrier’s standard insurance policy denies the claim.
For Fort Worth, Texas, residents injured in truck accidents, understanding the MCS-90 can be an important part of pursuing compensation.
How the MCS-90 Endorsement Works
The MCS-90 endorsement is required under federal regulation 49 CFR Part 387. Motor carriers that meet specific requirements must maintain an acceptable form of financial responsibility. This is typically satisfied through an MCS‑90 endorsement, a surety bond (Form MCS‑82), or approved self‑insurance.
An MCS-90 endorsement is not a standalone insurance policy. It is part of an existing commercial auto liability policy and is kept on file with the insurer. Its purpose is to protect the public, not the trucking company. If the carrier’s primary insurance denies a claim due to a policy exclusion or technicality, the MCS-90 requires the insurer to pay the injured party up to the federally mandated minimum.
After the insurer pays the claim under the MCS-90, the company can seek reimbursement from the trucking company. In this way, the endorsement functions as a safety net for accident victims, not as additional coverage for the carrier.
Who Needs an MCS-90 Endorsement?
The MCS-90 is required for:
- Most for-hire motor carriers in interstate commerce using liability insurance policies to meet FMCSA’s minimum financial responsibility requirements
- Private carriers transporting hazardous materials in vehicles with a capacity above 3,500 gallons, even if they only operate within one state
Motor carriers that self-insure must have written authorization to self‑insure from the U.S. Department of Transportation. Self‑insured carriers do not use an MCS‑90 endorsement.
Minimum Coverage Amounts Under the MCS-90
Federal regulations set minimum liability amounts based on the type of cargo a carrier transports:
- $750,000 for carriers hauling non-hazardous items in interstate commerce
- $1,000,000 for carriers transporting oil or hazardous substances
- $5,000,000 for carriers transporting certain extremely hazardous materials
Federal trucking insurance minimums, set in 1980, haven’t kept up with inflation—$750,000 then equals over $2.8 million today. Many serious truck accident claims exceed this amount. While some carriers carry additional coverage, the gap can still be significant.
The MCS-90 minimum is only a baseline, and more coverage may be available.
When the MCS-90 Endorsement Applies
The MCS-90 is triggered only under specific conditions:
- The accident involves a vehicle used in interstate commerce
- The trucking company is subject to FMCSA regulations
- The carrier’s primary insurance policy denies coverage or is insufficient to meet the federal minimum
- No other insurer is available to satisfy the judgment
If the carrier’s standard policy covers the claim, the MCS-90 does not come into play. It acts as a last resort, not a first line of coverage.
Why the MCS-90 Matters After a Truck Accident in Fort Worth
Texas sees a high volume of commercial trucking traffic. In 2022, the state recorded over 38,000 commercial motor vehicle accidents. Fort Worth sits at the intersection of several major freight corridors, including I-35, I-30, and I-20.
If you are injured in a collision with a commercial truck, the carrier’s insurance company may try to deny your claim based on policy exclusions or coverage gaps. The MCS-90 exists to prevent victims from being left with nothing in these situations. A Fort Worth truck accident lawyer can review the carrier’s insurance filings with the FMCSA to determine whether the MCS-90 applies to your case.
Truck accident cases are often more complex than standard car accident claims. Federal regulations governing commercial trucking rules add layers of compliance requirements that can strengthen a victim’s case when violations are found.
Contact Anderson Injury Lawyers To Schedule a Free Consultation with a Fort Worth Truck Accident Lawyer
The MCS-90 endorsement helps ensure trucking companies are financially responsible for accidents, but understanding how it applies requires careful review. If you were injured in a Fort Worth, TX, truck accident, identifying all available insurance coverage—including whether the carrier complied with federal requirements—can impact your claim.
An attorney can examine FMCSA filings, uncover additional coverage, and use any violations as evidence to help maximize compensation. To learn more, contact Anderson Injury Lawyers to schedule a free consultation with a Fort Worth truck accident attorney.
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About the Author
Mark A. Anderson is the founder of Anderson Injury Lawyers and a Board Certified Personal Injury Trial Lawyer—an honor held by only a small percentage of Texas attorneys. He earned his law degree from Baylor University School of Law and has spent more than 20 years helping injury victims across Dallas, Fort Worth and Austin. Mark handles cases involving car accidents, truck accidents, product liability, wrongful death, catastrophic injuries, and more. Click here to view some of the successful case results Mark has achieved for his clients.
Location: Dallas, Fort Worth, and Austin, Texas
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