The Winneshiek County Sheriff’s Department responded to a call about a pickup truck that ran off Trout Run Road into the creek at about 7:50 a.m. Sunday.
When officers arrived, they found the pickup was partially submerged in the creek.
Officers, firefighters and emergency medical services personnel searched the creek and the area around the vehicle and could not find the driver or any passengers.
The Winneshiek County Sheriff’s Department was assisted by the Decorah Fire Department, Decorah Police Department, Iowa Department of Natural Resources, Winneshiek County Ambulance Service and First Responders.
The investigation is ongoing and the sheriff’s department expects to release additional information.