The Bridge is located on deve gecidi water on Diyarbakir- Ergani railroad. It is also known as Karasu Kara Bridge. There are no writings on the bridge that identifies its construction date and the constructor. There are different opinions on its dating. The structure is dated back to Byzantine according to the tablet with ends with a rectangular and triangular cross that is attributed to Byzantines. Some experts mentioned it to be a Roman Era monument considering its arch shapes. The tablets on the arch, arches’ shaped and the cross motif on the bridge, dates the structure back to Roman Era. Basalt stone is dominant on the structure, which are 94 meters long and 7 meters large. The bridge, formed of six eyes, is connected to Diyarbakir with an antic road from the south. The stones of the antic road are made of nonporous basalt to form the continuing of the flooring on the bridge. On the continuing of the road on which partially splits had occurred, in Sancak Village, there is another one little bridge as well. Having the same name as the village it is in, the bridge is thought to be built at the same era as Kara Bridge.