High Quality Content by WIKIPEDIA articles! 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 (a few kilometres east of Prescott) in Canada. Designed by Modjeski Masters and completed in 1960, it has a main span of 350.75 meters (1,150.8 ft) across the Saint Lawrence River and Saint Lawrence Seaway.