白山大桥是安徽省庐江县境内最大的一座公路桥,已于1978年8月建成通车。该桥位于县城通往同大圩和石大圩(号称两大粮仓)的要道上。该桥主桥建于白石天河,又另在南河上建岔道桥,故全桥呈“Y”字形。该桥全长342米,主线桥由两孔净跨70米空腹式双曲拱、一孔直径13米的块石全圆 Baishan Bridge is the largest highway bridge in Lujiang County, Anhui Province. It was opened to traffic in August 1978. The bridge is located in the county seat leading to the same big wei and Shi Daxu (known as the two granaries) on the road. The main bridge was built in the Whitehead Milky Way, and the other in the South River on the road fork, so the bridge was “Y” shaped. The bridge is 342 meters in length. The main bridge consists of a 70-meter hollow double-curved arch with two holes and a hole of 13 meters in diameter.