四川合江长江大桥

四川合江长江公路大桥主跨径507米，是世界第二大跨径飞燕式钢管拱桥，由中交二公局采用PPP模式建设。

The main span of Hejiang Yangtze River Highway Bridge in Sichuan Province is 507m. It is the second largest span steel pipe arch bridge in the world, constructed in PPP pattern by CCCC Second Highway Engineering.