Big Barn Self Storage, Madison WI, is a modern storage facility with 24 hour access, all concrete and asphalt roads, and the latest lighting and security technology. We offer indoor and outdoor storage from 5x10 units to 10x40 units with a variety of door heights. Big Barn Self Storage has a 4.9 out of 5 rating from Google, and we are known for our friendly and efficient service. We are located north of Evansville, Wisconsin at the junction of highway 14 and highway 59.