建国以来,我国公路建设迅速发展,桥梁大量修建,现有桥梁总长达三百多万米,成绩是十分显著的。我国桥梁建筑,历史悠久,公元610年建成的赵州石拱桥,技术精湛,闻名于世。解放后,我国桥梁建筑技术有了更大的进展。拱桥有双曲拱、箱型拱等形式;其他新结构如预应力混凝土连续梁桥、斜张桥等也 Since the founding of New China, the rapid development of highway construction in our country has resulted in the construction of a large number of bridges. The existing bridges total more than 3 million meters and the achievements are quite remarkable. China’s bridge construction, has a long history, built in 610 AD Zhaozhou stone arch bridge, skilled, world-famous. After liberation, our country bridge construction technology has made greater progress. Arch bridge with double arch, box arch and other forms; other new structures such as prestressed concrete continuous beam bridge, diagonal tension bridge, etc.