Explore details about location 下渡頭大橋（慈安橋）. 下渡頭大橋（慈安橋） is a location situated within the 宜蘭市 alongside other areas such as 宜興路一段 (Sec. 1, Yixing Rd.), 中山路二段 (Sec. 2, Zhongshan Rd.), 康樂路 (Kangle Rd.).