Frank Booth Snr wrote:
The roots looked boned dry, but some of the the buds looked fresh. What
I really wanted to know is whether the roots would be useless despite
apparent moisture in the canes?

In my experience, raspberries are very hard to kill. If it has buds, it
will* be fine. from my memory of accidental digging up of raspberry roots
when weeding, they do tend to look kind of dried out, even when they're on
fully established plants! So they may not be as bad as you think.