Nice pics. On the soft spots, could you put down some flat rocks or something? Do you guys have rocks down there? (LOL j/k, but really, do you?)
Also, instead of a big piece of plywood, you could consider getting more bang for your buck by cutting it into strips and spacing them out a bit, kind of like a flat-ground boardwalk. I dunno, just a thought.
Keep us updated on the trail. I’m interested to see it happen!