OK....heres the best I could do on short notice and even shorter technical aptitude...
YOUR OFFICIAL DETOUR
Instead of progressing due south on 83 out of Uvalde you must take Ranch Road 117 to Batesville.
This will cross Hwy 57 which is OK....continue on until the road forks and take the right hand road...Ranch Road 1025
This will kinda fork again, continue to your right on Ranch Road 1025
After a few miles take a left on Ranch Road 395, go about six miles and you will see the gate, though it is marked Thompson Hunting camp( the old owners..)
I imagine arrivals will be somewhat coordinated and we will be met at the gate and escorted to our posh living quarters!