Shanxi guild hall Dawenkou ancient stone bridge is located in Shanxi Street Village and Taiping Street Village, Dawenkou Town, Daiyue district, Tai'an City, Shandong Province. It runs across the Dawen River, 117 ° 05 ′ 41.8 ″ east longitude, 35 ° 56 ′ 50.8 ″ north latitude, and 26.5 kilometers north of Tai'an City. It is a national key cultural relics protection unit. The west of the north end of the bridge is adjacent to the Shanxi guild hall of the Ming Dynasty. There is a flood discharge gate building on the North dam embankment of the bridge, which is locally called the southwest gate of the town. The south of the bridge is Chapeng village, Ningyang County. 　　The ancient stone bridge in Dawenkou is a north-south direction, crossing the east-west direction on the Dawen River. It is a overflow bridge. The west of the north end of the bridge is adjacent to the Shanxi guild hall of the Ming Dynasty. A flood discharge gate tower is built on the North dam embankment of the bridge; The overall shape is from north to south, in a broken line shape, similar to the "s" shape. It is composed of three parts: the North approach bridge, the main bridge and the south approach bridge. The total length of the ancient stone bridge is 554.02 meters, with a total of 65 holes, of which the North approach bridge is 42.3 meters, the south approach bridge is 213.72 meters, and the main bridge is 298 meters long. According to the terrain and water potential, it is divided into North and South sections, 32 holes in the north and South sections, and the middle part is a dumb bridge, with only one hole. The completion of the ancient stone bridge has solved the north-south traffic problem in the history of this ancient ferry. Since its use, it has provided convenient production, living and transportation for people on both sides of the Wen River. The ancient stone bridge is the only stone slab bridge on the Dawen River today. It is a overflow bridge. It is a rare art treasure in the history of bridge architecture in China and has high cultural relics value.