Loading view. There were no results found. There were no results found. Waller County Road & Bridge Annex Bldg Events Venues Waller County Road & Bridge Annex Bldg 775 Business 290 East Hempstead, TX United States Get Directions txmg.org/wallermg Events at this venue Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file