Yonghe bridge in Longquan anrenzhen, is the longest so far saved the best Gallery in Zhejiang Province House bridge, Ming raised during construction, formerly of yongning bridge. During the Emperor shunzhi of the Qing destroyed by fire, 57 year of Kangxi (1718) raised fees reconstruction, renamed the yongan bridge, after the renaming of the Yonghe bridge. For wall-hanging galleries House bridge, wood and stone structure, 125.7 meters long, 7.5 meters wide, Gallery houses 42 companies, with stone masonry five, maximum span between piers 18 m. Central Pier flow for goose-winged water Division, nursing foundation stone slope length 86 m, 57 m wide, both ends of the bridge gate tower type concavemolding sets, both ends of the bridge step 27, bridge, Interior railings wood stool. As a provincial conservation units.