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On the Lancang River at the junction of Baoshan City and Yongping County in Yunnan Province, there is an iron cable bridge flying over a cliff. The Jihong Bridge before 1986 is an older iron cable bridge in my country. The location of Jihong Bridge is the Lanjin ancient ferry in the Western Han Dynasty. In the Eastern Han Dynasty, there was a ballad of "Crossing Bonan, crossing Lanjin". Two centuries before the emergence of the Silk Road, the "Southwest Silk Road" was formed from Xichang, Sichuan, through Yao'an, Xiaguan, Baoshan, Yunnan, and into India and other countries. Jihong Bridge is the throat of this ancient post road. This place was a boat ferry in ancient times; the Tengmi Bridge was built at the beginning of Yongping in the Eastern Han Dynasty; the wooden bridge was rebuilt in Yuan Zhennian (1295), named Jihong Bridge; Rebuilt every year.
It is said that when the iron chain bridge was built, the original wooden bridge was destroyed by the river, and it was very difficult to send the iron chains, which were as thick as an arm, weighed thousands of kilograms, and more than 100 meters long, from the east bank to the west bank. A young craftsman was inspired by hunting animals with archery. According to his suggestion, the craftsmen used several hemp ropes of different thicknesses and as long as iron chains to tie them from thin to thick on the steep east bank, and then tied the thick ends together. It is tied to an iron chain, and the thin end is tied to the tail of the arrow, and it is shot to the west bank. The craftsmen on the west bank tie the hemp rope to the winch, shake the wheel, drag the iron chain to the west bank, and fix it on the cast-iron ten thousand buried several meters deep in the ground. year pile.
Jihong Bridge has a span of 57.3 meters and a width of 3.7 meters. It is suspended on both sides by 18 iron chains and covered with bridge slabs. On the cliff on the west bank of Jihong Bridge, there are inscriptions such as "Cliff Crossing" and "Golden Tooth Throat" written by literati of past dynasties; the famous geographer Xu Xiake once visited this bridge. Jihong Bridge is an important pass and main road that must be passed through in the development of the Southwest in the past dynasties, and it has a relatively important significance in terms of geographical location. There used to be a tax office and a case-handling agency on the bridge. In May 1942, the Japanese invading army sent more than 30 planes to bomb the Jihong Bridge. Due to the dangerous terrain, the ancient bridge was spared. In 1986, the ancient bridge was destroyed by floods, and only the ruins remain today.
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