Bomi, Tibet, China
295 feet high / 90 meters high
1,411 foot span / 430 meter span
Polonggou Bridge is the longest span bridge in Tibet with a center distance between towers of 430 meters and an overall length of 743 meters. Completed in 2016, the narrow 2-lane structure was part of an overall improvement to route 318 and route 105 in the remote mountain stretch between Sichuan Province and Tibet near Bomi and Nyingchi counties.
The two towers measure 146.7 and 139.7 meters tall.