The De la Concorde overpass collapse occurred at a bridge over Quebec Autoroute 19 near Montreal, Quebec, Canada, at midday on September 30, 2006. On that Saturday, around 12:30 pm, the centre section of the south lane of an overpass ( section of a three-lane overpass) collapsed in Laval, a suburb of Montreal, on Boulevard de la Concorde running over Autoroute 19.
On September 30, 2006, at midday, a portion of the centre lane of the south side of a three-lane overpass bridge over Quebec Autoroute 19 in Laval, Montreal, Canada collapsed. This incident occurred on Boulevard de la Concorde.