How often does a truck with a gross weight of more than 8,000 pounds need to be inspected? Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question How often does a truck with a gross weight of more than 8,000 pounds need to be inspected? Answers Every four months Semi-annually Every three years Every five years Explanation Trucks registered with a gross weight of more than 8,000 pounds are among the vehicles required to undergo a semi-annual safety inspection. This questions appears in the following tests: Illinois Class B Knowledge Test