Total length 8,981 ft (2,737.4 m),[2] about 1.7 mi (2.7 km) Width 90 ft (27.4 m) Height 746 ft (227.4 m) Longest span 4,200 ft (1,280.2 m)[3] Clearance above 14 ft (4.3 m) at toll gates, Trucks cannot pass Clearance below 220 ft (67.1 m) at high tide