^ The bridge, though pronounced Mackinaw, is spelled with a "c":
Mackinac. In this region of Michigan, only Mackinaw City is spelled with a "w". All other Mackinacs are spelled with the French "c" (and pronounced "aw"). Just a friendly fyi.
The Mackinac Bridge is also my favorite, and it's pretty much by bias and childhood fascination.
Here's some pics of the bridge from a trip I took last summer.
This side is Lake Huron, but the other side of the bridge is Lake Michigan. The south shore of the Upper Peninsula is on the right.
The walk across is 5 miles, so Labor Day is the only day the span is open to do so.
You can walk on the steel roadway and see the water below.
Approaching the summit.