If you are coming from Williams, AZ to Vegas, then it would be a lot shorter to take 93. It's a good road and will not be a problem for your fiver. I came over it in a 40ft mh with no problems.
BTW: We just left Puyallup yesterday for Coeur d'Alene, ID.
2008 40ft Tiffin Allegro Bus
2014 Honda CR-V AWD