The straits of mackinac is a 70-mile connecting link between lakes michigan and huron; its width at the site of the mackinac bridge is 4 miles and its depth is known to be at least 290 feet below lake level (578.5′ usls, mlwd).
How Deep Is the Water Under the Mackinac Bridge?
The Mackinac Bridge spans the Straits of Mackinac in Michigan, connecting the Upper and Lower Peninsulas of the state. It is an impressive 5-mile-long suspension bridge that stands 200 feet above the water. But beneath the bridge lies a much more mysterious depths that is of interest to many. So, how deep is the water under the Mackinac Bridge?
The water beneath the Mackinac Bridge varies in depth, but as a general average, the water is about 200 feet deep. This deep level of water is a result of the deep water in the Straits of Mackinac that come from Lake Huron and Lake Michigan. The two Great Lakes are connected by the Straits of Mackinac and the bridge crosses the strait.
The deepest part of the lake beneath the bridge is about 270 feet deep, making it one of the deepest parts of the Great Lakes. The depth of the water under the bridge also varies depending on the season. In the summer months, the water can be up to 250 feet deep, while in the winter months it can be as shallow as 150 feet deep.
The water beneath the Mackinac Bridge is also home to a variety of aquatic life. The deep waters