SR 299 in N Cali

Any of you travel CA 299 from Redding over to the coast with 40' MH?

I was just looking at the Mountain directory and noticed warning about 30' kingpin to axle restrictions because of hairpins.

I remember doing it several years ago with the fiver in sig and I do remember it being tight in spots. But the truck and fiver had a pivot point (hitch) and the MH doesn't pivot to well :W unless you count the tow bars for the toad.

I'm torn between the bad I5 road surface and driving through SF on the 101. Pick your poison.