US Hwy 101 from Cummings to Redway has some slow spots but it's a wonderful drive. Your size is fine. I'd suggest being prepared not to stop in Garberville. Last time I went through at least 200 homeless men were all over the town. Very unfortunate.
Haven't been on Oregon 199 recently.
Winnebago 2101DS TT & 2022 Chevy Silverado 1500 LTZ Z71, WindyNation 300 watt solar-Lossigy 200 AH Lithium battery. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist. 14 yr. Army -11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad