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 operated manually. The Third Welland Canal was constructed between 1871 and 1881 and located slightly west of the second. The bridge over this canal was constructed one block south of Main Street at Division Street. This situation severed the primary commercial artery and caused hardship for local business. In winter when the canal was closed, a floating plank bridge, just 1.2m (4 feet) wide allowed pedestrian access across the canal at Main Street, but significant pressure was placed on officials to build a permanent bridge at this location. Eventually, a bridge known as the Alexandra Bridge was built at Main