The answer I typed out didn't appear, so don't know what's going on with this site? Try other forums on Baja, perhaps?
The road was repaired after the late January storm... there is someone ('Astro Baja')who is builing a bed & breakfast with telescopes at Rancho Concepcion, above Meling's and north of the observatory road who has been posting photos and reports after the storm when he was cut off.