Welland Canal Bridge 11 Welland Canal Bridge 11 Bridge 11, also known as the Allanburg Bridge, is a vertical-lift bridge over the Welland Canal within the City of Thorold and community of Allanburg, Ontario, Canada. The location was used for the groundbreaking ceremony for the canal. It was constructed and completed in 1930. The bridge carries Hwy 20 connecting Niagara Falls to Fonthill. The bridge has a main span. It was designed by Harrington, Howard & Ash, the predecessor of HNTB. It was rehabilitated in 2001 and is a through-truss vertical-lift bridge with clearance for shipping. On August 11, 2001, the bridge was struck
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