Claim: In 1965 construction started on the Laviolette bridge and was complete in 1967 after an explosion two years earlier killed twelve workers during construction.
Evidence: The Laviolette Bridge (French: pont Laviolette) is an arch bridge connecting the city of Trois-Rivières, Quebec, Canada to Bécancour on the south shore of the Saint Lawrence River via Autoroute 55. On September 8, 1965, an explosion led to the bursting of a caisson because of water pressure, causing the death of twelve workers.