C. 1955; "The World's longest international suspension bridge, linking Detroit, Michigan and Windsor, Ontario, Canada. Almost two miles long, it has five traffic lanes and an 8 ft. sidewalk for pedestrians. Detroit, in addition to being the World's Motor Capital, also ranks as the second port in tonnage volume in the United States. The Detroit River is one of the world's busiest waterways. Fishermen enjoy the ever fascinating river panorama." (from back of postcard)