The Straits of Mackinac Shipwreck Preserve are divided in two by a bridge spanning how long?
Straits of Mackinac Shipwreck Preserve The Straits of Mackinac Shipwreck Preserve is a 148 sqmi state preserve in and around the Straits of Mackinac. The preserve is divided in two by the Mackinac Bridge. The waters of the preserve include the waters offshore from Mackinaw City and St. Ignace, as well as all or part of the shorelines of Bois Blanc Island, Mackinac Island, Round Island, and St. Helena Island.
Trammell Bridge The Trammell Bridge is 1.6 miles long and carries State Road 20 over the Apalachicola River in the Florida Panhandle between Blountstown and Bristol. It is named for three members of the Trammell family: (1) U.S. Senator from Florida and former governor Park M. Trammell, who died in office in 1936; (2) his brother, John D. Trammell, member of the Florida legislature representing Calhoun County (Blountstown) who introduced the bill to construct the original bridge; and (3) Robert D. Trammell, John Trammell's grandson who represented the area in the Florida legislature and secured funding for the new bridge.