Bellville Medical Center opens Tri-County ER April 29, 2020 - 00:00 Posted in: Around The County BELLVILLE - The COVID-19 pandemic has made it clear that Bellville Medical Center (BMC) must accept the challenge of quickly creating emergency medical care close to home in the south end of Austin County. The Bellville Medical Center announces the opening of Tri-County ER, a new Emergency Room at 1036 ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!