How many meters above sea level is Tongzihe Bridge?

The average elevation of Tongzi is 1 100 meters. Tongzihe Bridge is a control project of Jinsha-Tongzi Expressway in Guizhou Province, with a main span of 965 meters and a main tower height of 208 meters. The main bridge is a twin-tower single-span steel truss suspension bridge, which is the longest span and the most difficult to construct on Jinrentong Expressway in Guizhou Province.