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 set to one side of the canal. This was turned manually by pushing on heavy wooden beams extending from the end of the bridge. The bridge over the Second Welland Canal (constructed 1840 to 1845) is recorded in at least one image (shown at left), which has been seen in several books, in the Welland Library and on a post card. This was a swing bridge of a design common to other locations on the second canal. It can be seen from the picture that the pivot was to the west of the canal. These bridges were painted white and