You will definitely need to consider your dimensions when booking sites.
We recently returned from an older campground in the woods near Bethel, NY.
The owner had stated before hand the route I should drive while entering, and I was glad to have that info as we arrived. Even so, I had the DW get out and "spot" me all the way in to our site, as the roadway was narrow with a few "leaner" trees that were a little sketchy.
We had a great weekend in a wonderful campground, but it was out of my comfort zone as far as accommodating the size of our rig and I would not likely return unless we had the exact site that was given us. Even then, I may reconsider.
Google Maps with "satellite view" can often be your friend when planning and routing your trip. In the above case, not so much, as all you can see is a large canopy of old growth forest, although that, in and of itself, is telling