State police are looking for help finding a stolen flatbed semi-trailer.

It was taken from Purcell Construction in the town of Watertown sometime between 1 a.m. on April 18 and 3 p.m. on April 22.

Troopers describe the trailer as a 2006 Jet, 53-foot drop-deck trailer, Empire style color black. The VIN (Vehicle Identification Number) is 5JNDS53266H000888 and the New York registration plate is AU23762.

Police provided a picture -- shown above -- of a similar trailer.

Anyone with information can call state police at 315-782-2112.