What is the dead load of a 2x10 at 20 feet long?

The dead load of a 2x10 (which actually measures 1.5 inches by 9.25 inches) can be calculated based on its weight per linear foot. A typical 2x10 weighs approximately 1.5 pounds per linear foot. For a 20-foot length, the dead load would be 1.5 pounds/foot x 20 feet = 30 pounds. This represents the weight of the lumber itself without accounting for any additional loads or factors.