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 Canal, bridge 13 the Welland streetcar system (the Niagara, Welland and Lake Erie railway) was slated for abandonment before the bridge was actually opened and this track was never installed. The bridge is long and has a skew of approximately 22.5 degrees - meaning that the towers and span are off square by this amount. The reason that the skew is required can be seen from the old picture of the second canal bridge above - the canal does not run at a 90 degree angle to Main Street. While a bridge out of alignment with the road was acceptable in the 1840s,