If you can put something between the rubber and the bushing shell, it is shot. The rubber can be cracked on the outside, but the main thing that matters is if it is still firm and not wallowed out. How many miles are on it?
'69 GTO drop top, have had for 7 years and done a full restoration on it.
1995 YJ, moss green with the 2.5/ax5 combo. 124K miles