The Construction of the Lethbridge Viaduct / La construction du Viaduc de Lethbridge

Built between 1907 and 1909 across the Oldman River Valley, the Canadian Pacific Railway's Lethbridge Viaduct was an engineering triumph. More than 1,600 metres long and 95 metres high, this steel structure is the longest and highest of its kind in Canada. Its designers and labourers overcame daunting technical challenges caused by violent winds, dry soils, and extreme temperatures. By allowing significantly longer trains and shorter transit times, the viaduct greatly increased the capacity of the Crowsnest Pass Route.

Alberta · Canada