First Welland Canal 1818, when the flow was especially low, Merritt pursued the idea of bringing water to his mills from the Welland River. On a bigger scale, the Erie Canal, dug from the Hudson River through northern New York, was about to reach Lake Erie. The impending completion meant the cargo from upper Great Lakes was about to head down the canal and Hudson River to New York City, bypassing its previous destination, Montreal. At the time, a considerable rivalry existed between Montreal and New York for cargo headed to Europe via ocean-going vessels. All of these factors contributed to the construction
Great Lakes Dredge and Dock Company system had begun. The work performed on the Kinzie Street Bridge conformed to specifications and did pass City inspection upon completion in 1991. In the lawsuits that followed Great Lakes was initially found liable but was later cleared after it was revealed that the city was aware the tunnel was leaking before the flood and the city had also not properly maintained the tunnel. In addition the case went the United States Supreme Court in which ruled that since the work was being done by a vessel in navigable waters of the Chicago River, Admiralty law applied and Great Lakes