No arrests have been made in connection with the remains.
Authorities would not comment on the condition of the remains, or whether they were male or female. A large police presence surrounded the area where the remains were found; 270th Avenue was closed to traffic in both directions, and a mobile command center was parked in the street.
Agencies investigating the scene include the Clinton County Sheriff’s Office, Iowa Division of Criminal Investigations, Federal Bureau of Investigations, Clinton Police Department, and Davenport Police Department.