What is the name of the world’s longest bridge?

a) Changhua-Koahsiung Viaduct

b) Cangde Grand Bridge

c) Tianjin Grand Bridge

d) Danyang-Kunshan Grand Bridge 

Danyang-Kunshan Grand Bridge in China is the world’s longest bridge. It is on the Beijing-Shanghai highspeed railway in China covering a total distance of 164800 meters (102.4 miles), which makes it the longest bridge in the world.