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
Welland the area became known as simply Aqueduct. A lock to cross from the canal to the river and vice versa was also built. A small shantytown soon developed around the facility, providing essential services in what was a convenient stop-over location for travelers and workers on the canal. The growing town was later named Merrittsville, after William Hamilton Merritt, the initiator of the Welland Canal project. This name is reflected in the name of the Merrittville Highway (Niagara Road 50), which served as the primary north-south route in central Niagara before the construction of Highway 406. Welland gained its present