The Fort Frances-International Falls International Bridge is a privately owned international toll bridge connecting the towns of Fort Frances, Ontario and International Falls, Minnesota across the Rainy River. 

Open 24 hours.

The Sault Ste. Marie International Bridge spans the St. Marys River between the United States and Canada connecting the twin cities of Sault Ste. Marie, Michigan and Sault Ste. Marie, Ontario.

Open 24 hours.

The Ogdensburg Prescott International Bridge (also known as the St. Lawrence Bridge and the Seaway Skyway), is a suspension bridge connecting Ogdensburg, New York in the United States to Johnstown, Ontario in Canada.

The Sault Ste. Marie Canal, built in 1895, was the world’s longest lock, the first to operate using electricity and the last link in an all-Canadian navigational chain from the Atlantic to Lake Superior.