The Indian River Inlet Bridge (officially the Charles W. Cullen Bridge) is a cable-stayed bridge located in Sussex County, Delaware, in the United States. It carries four lanes of Delaware Route 1 (DE 1) over the Indian River Inlet between the Indian River Bay and the Atlantic Ocean. The bridge also carries Delaware Bicycle Route 1 (Bike Route 1) across the inlet. The bridge is within Delaware Seashore State Park between Dewey Beach and Bethany Beach. The Indian River Inlet Bridge is maintained by the Delaware Department of Transportation (DelDOT). The bridge is 2,600 feet (790 m) long and 107.66 feet (32.81 m) wide, with a span of 950 feet (290 m) and overhead clearance of 45 feet (14 m).