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 south of it were easy to dig in, but work was accelerated during mild weather of late 1832 and early 1833. On June 1, 1833, the schooner "Matilda", headed for Cleveland from Oakville, became the first ship to travel through the new channel. Overall, the combined Welland and Feeder Canals stretched between the two lakes, with 40 wooden locks. The minimum lock size was 33.5 m by 6.7 m (110 ft by 22 ft), with a minimum canal depth of 2.4 m (8 ft). Today, very little of the First Canal is evident. Much of the Feeder Canal, however is