UPDATE | Thursday around 6 p.m., Alvarado was arrested and returned to the Marion County Jail by Salem Police Department, Marion County Sheriff's Office reported Friday morning.
"We would like to thank the Salem Police Department, our media partners and community members for their assistance," the sheriff's office said.
SALEM, Ore. -- Around 6 a.m. Thursday, an inmate from the Marion County Transition Center walked away from the facility, the Marion County Sheriff's Office reports.
The inmate is 44-year-old Mark Alvarado, who is described as 5'6" and 230 lbs.
He was being held at the on a probation violation for not reporting to his probation officer.
The Marion County Transition Center is a minimum custody facility that houses up to 144 inmates transitioning from jail back into the community, officials said.
The Transition Center offers programs as well as work opportunities for the inmates that are housed in the facility. The overall plan for the inmates living in the center "is to get them involved in programs as well as develop a smooth transition back into the community," the sheriff's office said.
If anyone sees Alvarado, call Marion County Dispatch at (503) 588-5032.