The Dauphin Island Bridge, formally the Gordon Persons Bridge, carries a 3-mile (4.8 km), two-lane section of Alabama State Route 193 from mainland Mobile County, Alabama across the Gulf Intracoastal Waterway to Dauphin Island.

The natural channel followed by the Gulf Intracoastal Waterway at this location is Pass Aux Herons.

[2] It was destroyed by Hurricane Frederic in 1979 and was replaced by a fixed precast concrete segmental bridge in 1982.

[1] On January 7, 2008, Vietnamese immigrant Lam Luong tossed his four children, to their deaths off of the bridge.

[4] His death sentence was reduced to life without parole on October 15, 2018, as it was ruled he was intellectually impaired and had an IQ too low for execution.