The Office of the Cumberland County Clerk is located on the first floor of the Cumberland County Court House, 60 West Broad Street, Bridgeton, New Jersey. You must enter from the back of the building.
The Penny Test. In the United States, tire tread depth is measured in 32nds of an inch. New tires typically come with 10/32â or 11/32â tread depths, and some truck, SUV and winter tires may have deeper tread depths than other models. The U.S. Department of Transportation recommends replacing tires when they reach 2/32â, and many states legally require tires to be replaced at this depth.
With a tire tread depth gauge. Tire tread depth gauges are a fast and easy way for you to know for sure if your tires are safe or if they need to be replaced. 1  Find the shallowest groove of the tread and insert the pin of the gauge until the base is flush with the tire.  Read the scale.