In the early morning of New Year’s Day, 1 January, Eric Passon and another man entered the Giddings & Lewis Machine Tools plant in Fond du Lac, Wisconsin, USA and climbed the ladder of an overhead crane, according to police reports.
Passon fell from the 50 ft (15m)-high bridge at about 3 am.
Neither man was an employee of the company.
Authorities believe that alcohol was a factor in the incident, according to a report in local newspaper the Fond du Lac Reporter.