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Factors Affecting Semi-Truck Insurance Costs

Updated Nov 7, 2026 · By TruckMorning data desk

The price of semi-truck insurance is influenced by several factors, including the carrier's age and driving record, prior insurance claims, CSA scores, and credit reports. The business address, age and condition of the equipment, commodities hauled, and lanes run also play a role, as do state requirements, according to Overdrive.

Updated Nov 7, 2026

What Affects the Price of Semi-Truck Insurance?

Understanding the factors that influence semi-truck insurance costs can help carriers and agents navigate the market. According to Overdrive, several key elements contribute to the overall price of insurance for owner-operators.

Carrier-Specific Factors

Individual carrier characteristics are significant in determining insurance premiums. Overdrive lists the following as important:

  • Age and Driving Record: This includes citations and the severity of violations found on the motor vehicle record.
  • Prior Insurance Claims: Claims history, even on personal vehicles, can affect rates.
  • CSA Scores and Credit Reports: These scores and reports provide insights into a carrier's safety performance and financial responsibility.
  • Business Address: The location of the business can influence insurance costs.

Equipment and Operations Factors

The nature of the trucking operation and the equipment used also play a crucial role in insurance pricing:

  • Age and Condition of Equipment: The value and condition of the truck and trailer are considered.
  • Commodities Hauled and Lanes Run: The type of cargo and the routes taken impact risk assessment.
  • State Requirements: Different states may have varying insurance requirements that affect costs.

Types of Coverage and Costs

Overdrive provides insights into the potential costs for common types of coverage:

  • Primary Liability Insurance: Owner-operators can pay "$10,000 or more a year for $1 million in primary liability insurance."
  • Physical Damage Coverage: This coverage for the truck and trailer is about $5,000 a year, depending on the age and value of the equipment. Overdrive notes that physical damage coverage usually falls as equipment ages.

FMCSA Public Records and Insurance Filings

For-hire motor carriers are required to maintain liability insurance on file with the FMCSA. An MC number (docket number) is the operating authority granted by FMCSA to a for-hire motor carrier, while a USDOT number identifies a carrier for safety and registration records. When an insurer cancels a policy or a filing lapses, FMCSA can initiate a suspension of the carrier's operating authority. A carrier typically has until a stated deadline to get a valid insurance filing recorded; after this, FMCSA may suspend or revoke the authority. Insurance agents, brokers, and shippers can check a carrier's authority and insurance-filing status for free in FMCSA public records.

TruckMorning turns FMCSA public records into a daily list of carriers that changed (new, cancelled, renewing, suspension warnings) for insurance agents. TruckMorning is an independent service.

Source: Overdrive

Frequently asked questions

What is an MC number?
An MC number, also known as a docket number, is the operating authority that the FMCSA grants to a for-hire motor carrier.
What is a USDOT number?
A USDOT number is used to identify a carrier for safety and registration records, according to FMCSA public records.
How does FMCSA track insurance filings?
FMCSA publishes carrier registration, authority, insurance-filing, and suspension-notice data as public records on data.transportation.gov. A for-hire carrier must keep required liability insurance on file with FMCSA.
What happens if a carrier's insurance filing lapses?
When an insurer cancels a policy or the filing lapses, FMCSA can begin a suspension of the carrier's operating authority. The carrier normally has until a stated deadline to get a valid insurance filing recorded before FMCSA suspends or revokes the authority.
Can I check a carrier's insurance status for free?
Yes, insurance agents, brokers, and shippers can check a carrier's authority and insurance-filing status for free in FMCSA public records.

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