The 79 year Brownrigg has been missing since Monday morning when he was last seen leaving a loca busienss in the Old Mill District.
He does not have immediate medical concerns, but does suffer from early dementia and can become confused at times.
He was last seen wearing jeans and a button down shirt with blue and white stripes. He was driving a black four door Ford F150, with a license plate that reads "Rigger."
The windows are tinted and there's a large silver tool box on the back. He is 6 feet tall and weighs between 170 to 190 pounds.