A groundbreaking ceremony was held on the 4th to start full-scale replacement work of the railway bridge, which is lower than the embankment and has been regarded as a "weak point" on the Arakawa River, which may cause great damage to the metropolitan area if it floods. .
Keisei Electric Railway's "Keisei Main Line Arakawa Bridge", which spans Adachi Ward and Katsushika Ward, is 435 meters long, which is 3.7 meters lower at maximum than the surrounding levee built in 1931 and later raised. It is
It is estimated that about 300,000 people will be affected if this bridge collapses, and it has been considered a "weak point" of the Arakawa River. ceremony was held.
At the ceremony, which was attended by about 100 local residents and other related parties, Minister of Land, Infrastructure, Transport and Tourism Saito first said, "During the 2019 East Japan Typhoon, the water level rose to 1.2 meters from the bridge girder, making it a dangerous situation. It is also necessary to promote 'upland town development' at the same time, and I would like to ask for your support and cooperation."
Then, we held a ceremony to tamp down the soil at the site and prayed for the safety of the project.
The total project cost is about 73 billion yen, and the completion is expected in 2037, and the bridge is scheduled to be replaced about 15 meters upstream.
Keisuke Deguchi, director of the Arakawa downstream river office, said, "We will proceed with hardware measures with the aim of completing it as soon as possible, but there is a possibility that flooding will occur next year. We want each person to think about how to act. , I would like to do my best in terms of soft measures."