Canadian Northern Railway Freight Lift Bridge, East Yard

Canadian Northern Railway Freight Lift Bridge, East Yard (HM20DC)

Location: Winnipeg, Manitoba R3C Division No. 11
Country: Canada
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N 49° 53.153', W 97° 7.763'

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Inscription
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.
Details
HM NumberHM20DC
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Marker ConditionNo reports yet
Date Added Thursday, August 3rd, 2017 at 10:01am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)14U E 634374 N 5527620
Decimal Degrees49.88588333, -97.12938333
Degrees and Decimal MinutesN 49° 53.153', W 97° 7.763'
Degrees, Minutes and Seconds49° 53' 9.1799999999999" N, 97° 7' 45.78" W
Driving DirectionsGoogle Maps
Closest Postal AddressAt or near River Walk, Winnipeg Manitoba R3C, CA
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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