State-of-the-art and annual progress of bridge engineering in 2021

Renda Zhao, Kaifeng Zheng, Xing Wei, Hongyu Jia, Xiaozhen Li, Qinghua Zhang, Guoji Xu, Yulin Zhan, Ruili Shen, Fang Zhang, Qianhui Pu, Hongye Gou, Chuanjin Yu