Highly unlikely. These are forest service roads for the most part.
Is there not a closer camp site with showers to St. Joe? It's 1h 45m to St Joe. Seems like we could camp some where a little closer to St Joe or to the Oark General store if we want to start there.
Tyler Bend is 6 miles from St Joe and has hot showers. Groups of 10+ can make reservations for $3 a person.?? I don't think so. I looked.
There is also this place that is close to St Joe.
Tent Camping | Buffalo Camping & Canoeing | Gilbert General Store