Record: 1230 m
Height Record: 186 m
Main Span Record: 250 m
The highest metro line bridge in the world, the Caijia Jialing River cable stayed span carries metro line 6 over 100 meters above the Jialing River. As China's largest inland city, Chongqing is experiencing rapid growth with a greater regional population of more then 30 million people. Large urban centers are usually quite flat with metro lines that do not require high bridges. Chongqing is not your typical urban metropolis as there are many deep gullies and ravines that surround the Jialing and Yangtze Rivers.