四川合江縣基礎設施建設PPP項目是四川省第一個實施的城市橋梁類PPP項目。項目包括交通基礎設施項目4個，城市基礎設施項目5個，預計總投資20.62億元。 在本PPP項目組中，合江長江公路大橋為主跨507米的飛燕式鋼管混凝土拱橋，居同類橋梁世界第二。
　　The infrastructure construction PPP project in Hejiang County, Sichuan Province is the first urban bridge PPP project implemented in Sichuan Province. The project includes 4 transportation infrastructure projects and 5 urban infrastructure projects, with a total estimated investment of 2.062 billion yuan. In this PPP project portfolio, Hejiang Yangtze River Highway Bridge is CFST arch bridge with the main span of 507m, which is the second in the world.