Daan Laokanzi Highway Bridge started in that year.

June 2020. According to the announcement issued by Daan Municipal Transportation Bureau, it is known that Daan Laokanzi Highway Bridge started in June 2020, was completed in June 2022, and was opened to traffic in February 2022, with a total investment of 460 million yuan. Daan City is a county-level city managed by Baicheng City, Jilin Province, located in the northwest of Jilin Province, facing Zhaoyuan County of Heilongjiang Province across the river in the east, bordering taonan city and Tongyu County in the west, Songyuan City in the south and Taoer River in Zhenlai County in the north.