This video shows the High Level Bridge at Lethbridge, Alberta, from the cab of a CP Rail locomotive. Officially called the Lethbridge Viaduct, the bridge was constructed by the Canadian Pacific Railway between 1907 and 1909 at a cost of $1,334,525. At 1,624 meters long (5,328 feet) and 95.7 meters above the river bed (314 feet), it is the largest railway structure in Canada and the largest of its type in the world (3:29).