The Shasta County Sheriff's Office says Alford Bearden, 77, hasn't been seen since September 23, when he was spotted driving a blue 1994 Chevrolet Cavalier, Cal Plate 3GMD434 southbound I-5 near the Dunsmuir truck scales. Bearden was wearing a gray/burgundy flannel shirt, olive colored pants and black shoes. Investigators say he is considered missing, and at-risk due to age and medical conditions. He did not arrive at destination in Vallejo, California. Anyone with information is asked to contact the Shasta County Sheriff’s Office at 530-245-6025, or Shascom at 530-245-6540.