A good place to grab a burger is in Wolf Creek and it's right on your way.
West side of Interstate off the just a little past the end of the off-ramp on the right side. Used to be The Frenchman and Me but they changed the name. Maybe Shotgun Annie's or something like that.
I live south of Helena in Clancy so PM me if you get in a bind.
Safe travels, you're getting a lot of shxx but I've been enjoying reading about your journey so keep it up.