这些石拱桥是会宁境内，上世纪60年代兴修的312国道公路桥，现在已被遗弃，曾经给共和国的经济建设做出了巨大的贡献，也是共和国发展的见证。石拱桥有明显的时代特征的图案和文字，作为会宁记忆的元素，我拍摄了三处，贴出来供大家欣赏。

 一、五里桥

http://s8/mw690/001HGMixzy6PQz648T5d7&690

http://s9/mw690/001HGMixzy6PQz5WZ1Cf8&690

http://s13/mw690/001HGMixzy6PQz68S0A3c&690

http://s13/mw690/001HGMixzy6PQz61qr26c&690

http://s13/mw690/001HGMixzy6PQz63ybiac&690

http://s9/mw690/001HGMixzy6PQz64BkIf8&690

http://s11/mw690/001HGMixzy6PQz69pl8ba&690

http://s9/mw690/001HGMixzy6PQz6bWxG38&690

http://s1/mw690/001HGMixzy6PQz6jWgwd0&690

http://s12/mw690/001HGMixzy6PQz6gwWLbb&690

二、涝子沟空腹石拱桥
http://s5/mw690/001HGMixzy6PQz5LxwE64&690

http://s6/mw690/001HGMixzy6PQz5JHs985&690

http://s3/mw690/001HGMixzy6PQz5NbvYd2&690

http://s7/mw690/001HGMixzy6PQz5K7aua6&690

http://s10/mw690/001HGMixzy6PQz5T04pc9&690

http://s15/mw690/001HGMixzy6PQz5SFC69e&690

http://s5/mw690/001HGMixzy6PQz5Trec94&690

三、小岔沟石拱桥
http://s9/mw690/001HGMixzy6PQz5Iknm08&690

http://s9/mw690/001HGMixzy6PQz6l0bCa8&690

http://s1/mw690/001HGMixzy6PQz5wPE4f0&690

http://s7/mw690/001HGMixzy6PQz5z0vY16&690

http://s12/mw690/001HGMixzy6PQz5vTKPab&690

http://s5/mw690/001HGMixzy6PQz5x1yId4&690

http://s14/mw690/001HGMixzy6PQz5x2Et3d&690