At approximately 5 pm on Saturday the Waupaca County Communications Center was advised a man fell off the “Big steel girder bridge” and was not moving at the Symco Car Show Grounds. Witnesses advised deputies the man climbed onto the tractor which was located on top of a large steal bridge. When the man was trying to climb down he fell approximately 20 feet onto the wood floor of the bridge. The 44 year old man was transported by helicopter to Thedacare in Neenah due to his injuries.