Dongguan Channel Grand Bridge in Guangdong is a grand half-through steel tube arch bridge across the Shenhai River on the West Ring Part of Dongguan’s Fifth Ring Road. The bridge comprises left deck and right deck; each deck is arranged with 2 arch ribs; the main span arch rib adopts concreted filled steel tube space truss structure; the centreline of the main arch rib is in catenary; the span between main arch pillar top is 280 metres; it ranks the 6th among the bridges of its kind in China.