Man you can't make stuff like this up.

A device left on a railroad bridge over the Maumee River in Toledo caused authorities to evacuate a five-block area. The device which had wires and battery was safely blown up by a bomb squad.
Leudtke Engineering of Frankfort, Mich said it will cost about $11,000 to replace the instrument that monitors the depth of the river. A spokesman said “From now on, we’re going to put our name, number and stuff on the outside,”