The Champlain Bridge and the Jacques Cartier Bridge are a steel truss cantilever bridges crossing the Saint Lawrence River and connecting Montreal boroughs on the South Shore. The Champlain is approx 6km (3.7 mi) long and with approx 55 million vehicle crossing annually while the Jacques Cartier bridge is 3,5km (11 mi) in length, including the approach viaducts with approx 35.4 million vehicle annually for this last one. They are the first and the third busiest bridges in Canada, respectively.

NXM stainless steel camera housings along with stainless steel wipers and washer tanks have been installed here, for their capacity to resist to aggressive atmospheric conditions for the presence of acidic pollutants or marine corrosion.