It was originally built by the Canadian Pacific Railway over the full width of the river's flood channel and has eight spans.

[1] It served as a railway bridge from October 23, 1912, until March 16, 1987.

Due to structural issues, the bridge has been closed since late 2013.

Origins The SkyTrail Bridge dates back as far as 1887, when it officially opened as the Saint-Laurent Railway Bridge in Montreal, Quebec.

Bridge Design The SkyTrail features a fascinating bridge design known as a Whipple Truss - and the SkyTrail features the longest known Whipple trusses in Canada and North America.