The 430-metre long, six metre wide bridge, paved with 99 panes of three-layer transparent glasses, hangs between two steep cliffs 300 metres above the ground, Xinhua news agency reported.
The bridge has set 10 world records spanning its design and construction, according to the committee.
A maximum of 8,000 visitors are allowed to cross the bridge every day and a reservation must be made one day prior to visiting.
Construction was completed in December. In July, a two tonne truck was driven across in a show of the bridge’s sturdiness.
The unique pillar-like mountain formation in Zhangjiajie appeared in the Hollywood blockbuster movie “Avatar”.
The Grand Canyon Scenic Area in Zhangjiajie welcomed more than 1.2 million visitors from home and abroad in 2015.