Work to reopen the Hunt Post Office is moving forward months after the July 4 flood washed away the building — offering a sign of progress for residents who have had to drive to Ingram to pick up their mail.Some customers said the trip to another town can be a major burden. Bubba Cook, who lives near Camp Mystic along State Highway 39, said he has been making the drive from Hunt to Ingram every other day to check his mail.On his worst days, Cook…