I have seen a ton of forest service roads as well on Google Maps here in the Okanagan. Some of those are indeed maintained and very usable even in small cars (Penticton to Highway 33/Big White, for example). Others not so much. Definitely had some sketchy adventures in my tiny Corolla on them. I never rely on Google Maps to navigate them though, and never with any intent of getting somewhere. It’s just exploration and if the road gets bad, you bet I’m turning around.