通济桥，是姚江上一座凌空横跨的三孔石桥，连接余姚南北两城。北宋庆历八年始建，史称“浙东第一桥”。通济桥北的舜江楼，飞檐翘角，古朴庄重，与通济桥构成了“长虹腾空，飞阁镇流”的整体。是古城余姚的标志性建筑。
TongJi bridge, is a three-arch stone bridge crossing Yao River, connecting the south and north city of Yuyao. It was built in BeiSong Dynasty and was the first bridge In East Zhejiang. Shun
River Building, north of the TongJi Bridge, with flying eaves and raising angle, is a symbol of the historical city Yuyao.