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 shoreVasco 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.