Walker pass which is between Bakersfield and the rest of where you're going doesn't close often, so you should be OK there.
When you get down to 14, make a detour right and drive south a few miles and pick up Randsburg road to the left. There is some good desert scenery through there, believe it or not.
Plus a town site that makes Randsburg look like NYC.
When you get to 395 you have a few choices, but mostly they'd take you through Ridgecrest, which might not be so bad IMHO, being a former resident. There are some good, paved back roads that will bypass Ridgecrest, if you want.
Or, from Ridgecrest, you can take the road through Trona (don't stop, aside from the pinnacles) and into the back parts of Death Valley. Though if you need some borax for alt processes, you could probably find some around Trona.
There are several place