Investigators say the explosion was on a county road bridge in Saunders County.
Law enforcement says an explosive device went off on the County Road 19 bridge over Wahoo Creek on February First, causing a fire and about five-hundred dollars worth of damage.
The Bureau of Alcohol, Tobacco, Firearms, and Explosives is offering up to 35-hundred-dollars for information leading to an arrest in the case.
The FBI, Nebraska State Fire Marshal, and the Saunders County Sheriff’s Office are also taking part in the investigation.
(Picture from Getty Images)