When I built the barn, I had an RV spot in mind. Our lot slightly drops to that side so that brick wall in the back ground, the rest of the barn is up that high. But from the front, its ground level. Having the lot slope was a great help because now I have over 13' underneath. When we had our Cyclone, it fit just fine as well. The plan was to have something that would fit a class A if we ever go that route one day.
Yes, I can drive through. Its 60' long with openings on both ends.
I have a friend who does carpentry work coming next week with a few deck boards so we can get a rough idea of what it would look like if I go that route. I'll update this thread as we go along.