What is how long is the dauphin island bridge?

The Dauphin Island Bridge, also known as the Gordon Persons Bridge, is a 3.5-mile-long bridge that spans across the mouth of Mobile Bay in Alabama. The bridge connects the mainland city of Mobile with Dauphin Island, a popular vacation destination. It was completed in 1982 and is one of the longest bridges in the state of Alabama. The bridge is a crucial route for residents and tourists alike, providing access to the island's beaches, fishing spots, and recreational opportunities. The Alabama Department of Transportation maintains and operates the bridge, ensuring its safety and efficiency for all who use it.