Welland Canal, bridge 13 Welland, the bridge also links East Main Street (leading towards Niagara Falls) and West Main Street (providing access to roads leading along the Welland River to Wainfleet and Wellandport. It also provides a link between Niagara Street (formerly known as North Main Street leading to Thorold and St. Catharines, and King Street (formerly South Main Street, and also Canal Street), formerly leading to the Canada Southern Railway station, and on to Port Colborne. The "Chippawa Road" (as Main Street was then known) crossed the First Welland Canal (constructed between 1824 and 1829) via a wooden swing bridge with the pivot
First Welland Canal of the Welland Canal. In 1818, William Hamilton Merritt borrowed an instrument called a water level from Samuel Beckett, a mill owner in St. Johns. Along with George Keefer, John DeCew, and a couple of other neighbours he set out to survey a potential route for a water canal. From the headwaters of the Twelve Mile Creek near present-day Allanburg, they planned a line three kilometers south to meet with the Welland River. A ridge was encountered along the way, and using the instrument, the surveyors calculated it to be 10 meters high. It was actually double that height; the