|The Blue Water Bridge is a twin-span bridge that spans the St. Clair River between Port Huron, Michigan and Point Edward, Ontario (near Sarnia, Ontario). The Blue Water Bridge connects with Highway 402 in Ontario and with both Interstate 69 and Interstate 94 in Michigan. The original span is a cantilever truss bridge and the second span is a continuous tied-arch bridge.
The first bridge is a cantilever truss with a total length of 6,178 feet (1,883 m). The main span is 871 feet (265 m). The second bridge is a continuous tied arch with a total length of 6,109 feet (1,862 m). The main span is 922 feet (281 m). The twinning project was a combined effort between Modjeski & Masters - U.S Engineers and Buckland & Taylor Ltd. - Canadian Engineers. During the construction, two temporary masts were erected to assist in the construction of the tied arch; the towers were painted red and lighted, enabling them to be seen from afar.
Together, the two bridges are one of the busiest transportation arteries between the United States and Canada. They also provide one of the four shortest routes of land travel between the eastern seaboard of the United States, and the central United States. The Blue Water Bridges are jointly owned and maintained by Canada and the United States. The Blue Water Bridge Authority is in charge of the Canadian side, and the Michigan Department of Transportation (MDOT) is in charge of the U.S. side. The bridges charge a toll, which is used to pay for bridge maintenance and operations.
Location: Port Huron, MI
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