世界上最长的不对称石拱桥

世界上最长的不对称石拱桥河北献县单桥

证书编号09595-1202-01

颁证日期2012年3月23日

单桥位于大清河北省献县单桥村，始建于公元1629年，为青石结构，桥身长69米、宽9.6米。该桥共五孔，跨径、拱顶高程各不相同，南北桥头高差1.785米，呈现南北不对称形态。创世界纪录协会世界最长的不对称石拱桥世界纪录。

The longest unsymmetrical stone arch bridge in the orld----The Single Bridge in Xian County, Hebei Province

Located in the Single Bridge Village, Xian County, Hebei Province, China, the Single Bridge as initially founded in 1629. Made of bluestones, this bridge has a length of 69 meters and a idth of 9.6 meters. There are 5 arches in total, ith different spans and heights. The south side and north side of the bridge is unsymmetrical, ith a difference of 1.785 meters in height. The Single Bridge is granted by the World Record Association as the longest unsymmetrical stone arch bridge in the orld.