O'daniel unit (formerly the mountain view unit) is a texas department of criminal justice prison housing female offenders in gatesville, texas. The following statistics on this prison are taken from state and federal prison surveys. Webcrain unit is a mixed custody prison for female offenders located in gatesville texas. Crain unit was formerly known as gatesville. The facility houses a maximum of 1,498 female. Web1401 state school road. According to the latest jail census: Gatesville unit visiting hours.