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De la Concorde overpass collapse

2006 disasters in Canada2006 in Quebec2006 road incidentsBridge disasters caused by construction errorBridge disasters caused by engineering error
Bridge disasters caused by maintenance errorBridge disasters in CanadaDisasters in QuebecHarv and Sfn no-target errorsTransport in Laval, Quebec

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 (65-foot or 19.8-metre section of a three-lane overpass) collapsed in Laval, a suburb of Montreal, on Boulevard de la Concorde running over Autoroute 19. The collapsed section crushed two vehicles under it, killing five people and seriously injuring six others who went over the edge while travelling on the overpass. The north-lane half, along the same bridge, did not collapse. The autoroute was closed for almost four weeks, "disabling an important north-south link between Montreal and its northern suburbs as well as the Laurentian region".

Excerpt from the Wikipedia article De la Concorde overpass collapse (License: CC BY-SA 3.0, Authors).

De la Concorde overpass collapse
Boulevard de la Concorde Est, Laval Duvernay

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Wikipedia: De la Concorde overpass collapseContinue reading on Wikipedia

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N 45.5835 ° E -73.675261111111 °
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Boulevard de la Concorde Est 2237
H7E 2B6 Laval, Duvernay
Quebec, Canada
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Greater Montreal

Greater Montreal (French: Grand Montréal) is the most populous metropolitan area in Quebec and the second most populous in Canada after Greater Toronto. In 2015, Statistics Canada identified Montreal's Census Metropolitan Area (CMA) as 4,258.31 square kilometres (1,644.14 sq mi) with a population of 4,027,100, almost half that of the province. A smaller area of 3,838 square kilometres (1,482 sq mi) is governed by the Montreal Metropolitan Community (MMC) (French: Communauté métropolitaine de Montréal, CMM). This level of government is headed by a president (currently Montreal mayor Valérie Plante). The inner ring is composed of densely populated municipalities located in close proximity to Downtown Montreal. It includes the entire Island of Montreal, Laval, and the Urban Agglomeration of Longueuil. Due to their proximity to Montreal's downtown core, some additional suburbs on the South Shore (Brossard, Saint-Lambert, and Boucherville) are usually included in the inner ring, despite their location on the mainland. The outer ring is composed of low-density municipalities located on the fringe of Metropolitan Montreal. Most of these cities and towns are semi-rural. Specifically, the term off-island suburbs refers to those suburbs that are located on the North Shore of the Mille-Îles River, those on the South Shore that were never included in the megacity of Longueuil, and those on the Vaudreuil-Soulanges Peninsula.