Pole barn construction spaces the trusses 8 feet apart - or even up to 12 feet apart depending on the building design. With traditional stick-frame construction, the trusses are usually spaced 2 feet apart.

The spacing of posts for a pole barn will depend on the specific size and design of your barn. Generally, the posts should be set at least 8 feet apart, measured from the center of one to the center of the next post. However, they can generally be placed anywhere from 8 to 10 feet apart.