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 towards Grand River was already underway at the time of the Deep Cut failure, a dam across the mouth of the Grand was proposed soon after, in December 1828. From there, a channel could be dug to feed this level to the Welland Canal proper. An aqueduct would be used to cross the Welland River. The dam was relocated eight kilometers inland by naval authorities, mindful of its safety in times not long after the War of 1812. The settlement by the dam later evolved into present-day Dunnville. From there, the Feeder went southeast to Stromness, before turning northeast in