英语翻译后门桥位于地安门外大街中部,始建于元代,是元代漕运粮船进入什刹海的必经桥梁之一.英文该怎么说呢?3Q

Rear bridge is located in the central to Ann outside street,was built in the yuan dynasty,is the only one of the bridges for the yuan dynasty to transport food grain ship to the quadrangles。