We are on the finishing leg of our trip to AK this summer and by and large the roads were OK. We did the Alaskan Highway up and the Cassiar back. Their construction times are limited to the summer so there will be construction someplace. If there is permafrost and frost heaves, there will be construction. As with any trip, it's not a race and taking your time and slowing down will extend the life of everything. We did have a broken windshield on the Jeep and coach, but the Jeep was in WA on an interstate while driving it and the coach in BC on a good paved road.
With a new coach, I would make a few smaller shake down trips before taking north, or any extensive trip for that matter
2007 Itasca Horizon 40FD, 2015 Harley Davidson FLHTKL, 2012 Jeep Wrangler Sahara