Welland Canal and crossings are numbered from north to south. The following illustration depicts the profile of the Welland Canal. The horizontal axis is the length of the canal. The vertical axis is the elevation of the canal segments above mean sea level. If assigned by the St. Lawrence Seaway Authority. The original bridges across the fourth canal were numbered in order. Numbering was not changed as bridges were removed. Welland Canal The Welland Canal is a ship canal in Ontario, Canada, connecting Lake Ontario and Lake Erie. It forms a key section of the St. Lawrence Seaway. Traversing the Niagara Peninsula
First Welland Canal however, shantytowns to house the labourers and their families were established along the way, giving birth to communities that later became Port Dalhousie, Merritton, Thorold, Allanburg and Port Robinson. As the Deep Cut progressed, plans were being made for an alternate route to Lake Erie. The original motivation behind the canal was to bring water to mills, and this was met by constructing a canal to the Welland River. However, as the plans evolved to include a ship route, they were accommodated by simply following the Welland River until it emptied into the Niagara River. This was suboptimal for a