A passerby contacted Coast Guard Sector Baltimore watchstanders at approximately 5 p.m., reporting the two jumped from the bridge wearing swim trunks. The reporting source said one did not resurface.
A boatcrew aboard a Cambridge fireboat was the first on scene and rescued one of two from the water.
Dive crews from Dorchester County recovered the second swimmer unresponsive.
A boatcrew aboard a 29-foot Response Boat from Coast Guard Station Oxford, and crews from Maryland Natural Resources Police, Maryland State Police and a dive crew from Preston County aided in the search.