The function of Ximen Bridge in Huai 'an City is to facilitate citizens. Before the construction of Ximen Bridge in Huai 'an, residents on both sides of the strait have to wait, take a boat and disembark. It took 10 minutes to ferry to the other side of the waterway, which was not so convenient. After completion, it meets the needs of residents and is very convenient and safe. Therefore, the function of the West Gate Bridge in Huai 'an is to facilitate the citizens.