While it's technically out of the downtown radius, Texas American Resources is proposing a 14-story mixed-use project on Barton Springs Rd. between 1st and Lamar and directly across from the Long Center. The building would include 24 condo units atop 86,000 feet of office space and a ground floor restaurant. The site is the former location of the iconic Filling Station restaurant which closed in 2004 . . .