Lake Pontchartrain Causeway is a 2 parallel bridge. The total length of the bridge is 23.87 miles or 38.42 km long. The bridge is crossing over Lake Pontchartrain of Southern California./Donghai Bridge is the 2nd longest cross-sea bridge in the world after Hangzhou Bay Bridge. The total length of the bridge is 32.5 km a /Seven mile bridge -10887.5 meters over the Gulf of Mexico and linking Key Vaca /The San Mateo-Hayward Bridge is stretching 11,265.41 meters (36,960 ft) or 7.0 miles away. The bridge is crossing San Francisco Peninsula and the Easy bay./King Fahd Causeway -This bridge is a multiple dike-bridge construction linking Khobar of Saudi Arabia with the island Nation of Bahrain. ./Chesapeake Bay Bridge or the Bay Bridge is a main dual-span bridge of the State of Maryland, US. and connecting the Eastern Shore and the western shore/Vasco De Gamma Bridge-The bridge is the longest bridge in all Europe and it is spanning across the Tangus River near Portugal Capital city, Lisbon.