I called 4 different places that run that area and they all said the same thing to me. Only closed for a small porion for re gen from the fires. Red bluff is closed. But just below it has been re opened. Pretty much they said if you come across a closed gate, don't go through. If it's an open gate, then go for it. That's straight from the ranger who works out there and would be the one handing out the fines if in the wrong spot.
Sounds like you've covered all your bases.
Iv met 2 of the Rangers, 1 male n 1 female, the lady was very nice while the bloke seemed like he was trying to justify his position and came off like an arrogant twat, if you encounter one I hope it the lady.