Winnipeg, Manitoba — The Canadian Prairies
Canadian Northern Railway Freight Lift Bridge, East Yard
Le pont levant pour marchandises du Chemin de Fer Canadien du Nord, triage de l'est
This bridge was designed not only for heavy freight cars to travel over the Assiniboine River but also for steamships to travel under it. The center span of the bridge lifts and is known as a bascule bridge (from the French word for "see-saw"). Like a see-saw, the bridge deck and the huge concrete counterweight are counterbalanced on massive bronze pivot pins. Relatively small electric motors and brakes move the concrete weight down and inwards causing the bridge deck to rise. The bridge to the west (your right) was also a bascule bridge, although the counterweight and machinery was removed.
The bridge, completed by 1914, is based on designs by Joseph Strauss (1870-1938) of the Strauss Trunnion Bascule Bridge Company of Chicago, Illinois, important bridge engineers and designers of San Francisco's Golden Gate Bridge (1937). Although Federal regulations at the time required all railway bridges that crossed rivers to lift, it is unknown whether this one ever did.
Le pont, terminé en 1914, est basé sur les dessins de Joseph Strauss (1870 - 1938) de la Strauss Trunnion Bascule Bridge Company, de Chicago, en Illinois, dont les ingénieurs et les concepteurs de ponts importants ont aussi dessinés les plans du pont Golden Gate de San Francisco (1937). Même si la réglementation fédérale du temps exigeait que tous les ponts ferroviaires qui traversaient des rivières soient levants, l'histoire ne nous dit pas si ce dernier n'a jamais levé.
Location. 49° 53.153′ N, 97° 7.763′ W. Marker is in Winnipeg, Manitoba. Touch for map. Marker is on the pedestrian bridge (originally a railroad bridge) that crosses the Assiniboine River just west of the junction with the Red River. Marker is in this post office area: Winnipeg, Manitoba R3C 4S8, Canada.
Other nearby markers. At least 8 other markers are within 26 kilometers of this marker, measured as the crow flies. The Creation of Manitoba (approx. 0.4 kilometers away); Forks of the Red and Assiniboine (approx. 0.4 kilometers The Path of Time (approx. 0.4 kilometers away); The Five Saint Boniface Cathedrals (approx. half a kilometer away); Twin Oaks (approx. 21.4 kilometers away); St. Andrew’s Rectory (approx. 22.8 kilometers away); St. Andrews Anglican Church (approx. 22.9 kilometers away); St. Andrews Caméré Curtain Dam (approx. 25.7 kilometers away). Touch for a list and map of all markers in Winnipeg.
Categories. • Bridges & Viaducts • Man-Made Features • Railroads & Streetcars • Waterways & Vessels •
Credits. This page was last revised on August 21, 2017. This page originally submitted on August 3, 2017, by Kevin Craft of Bedford, Quebec. This page has been viewed 60 times since then. Photos: 1, 2, 3, 4. submitted on August 3, 2017, by Kevin Craft of Bedford, Quebec.