89A in northern AZ is ok (89 is better), 89A south of Flagstaff not good.
Rtse 9 Zion tunnel: Height limit 13'1". Length limits: 40ft single vehicle, 50ft total Length.
BTW, 389/59 is fine as an alternative to rte 9. I have to use it, or RT 20, since my rig is too long for the tunnel.