In Photos: Torrential rain causes flooding, bridge damage in Niigata, Yamagata prefs.

A residential area near JR Sakamachi Station is seen flooded in Murakami, Niigata Prefecture, on the morning of Aug. 4, 2022. (Mainichi/Natsuki Nishi)

A man looks at a flooded residential area in Oe, Yamagata Prefecture, on the morning of Aug. 4, 2022. (Mainichi/Kenji Ikai)

A railway bridge that collapsed is seen on the JR Banetsu West Line over the Nigori River in Kitakata, Fukushima Prefecture, on the morning of Aug. 4, 2022. (Mainichi/Tatsuro Tamaki)

A residential area that flooded after the Mogami River overflowed is seen in the Yamagata Prefecture town of Oe on the morning of Aug. 4, 2022. (Mainichi/Kenji Ikai)

The swollen Mogami River is seen flowing beneath the Korai Bridge in Nanyo, Yamagata Prefecture, on the morning of Aug. 4, 2022. (Mainichi/Shuichi Kanzaki)

The site of the Omaki Bridge collapse is seen in Iide, Yamagata Prefecture, in this photo provided by Yamagata Prefectural Police.

The area near JR Sakamachi Station in Niigata Prefecture is pictured in this photo provided by the Niigata Branch of East Japan Railway Co.

Water accumulates following heavy rain near JR Sakamachi Station in Niigata Prefecture in this photo provided by the Niigata Branch of East Japan Railway Co.

A resident looks on amid flooding after the Mogami River overflowed due to heavy rain, in Oe, Yamagata Prefecture, on the morning of Aug. 4, 2022. (Mainichi/Kenji Ikai)

A residential area that flooded after the Mogami River overflowed due to heavy rain is seen in the Yamagata Prefecture town of Oe on the morning of Aug. 4, 2022. (Mainichi/Kenji Ikai)

A flooded woodworking shop is seen behind the Mogami River in Oe, Yamagata Prefecture, on the morning of Aug. 4, 2022. High water marks can be seen on the building. (Mainichi/Akihiro Kumada)

Part of the Yamagata Prefecture town of Oe is seen flooded after the Mogami River overflowed, on the morning of Aug. 4, 2022. (Mainichi/Akihiro Kumada)

Water gushes up from a drain following heavy rain in a residential area of Nagai, Yamagata Prefecture, on the morning of Aug. 4, 2022. (Mainichi/Kenji Ikai)

A residential area is seen flooded in Murakami, Niigata Prefecture, on the morning of Aug. 4, 2022. (Mainichi/Naoki Watanabe)

A steel bridge on the JR Banetsu West Line over the Nigori River in the Fukushima Prefecture city of Kitakata, which partially collapsed following heavy rain, is seen on the morning of Aug. 4, 2022 in this photo provided by the Sendai Branch of East Japan Railway Co.

This image from the Japan Meteorology Agency website shows rainclouds over Yamagata, Niigata and Fukushima prefectures as of 8 a.m. on Aug. 4, 2022.

The site of the Omaki Bridge collapse is seen in Iide, Yamagata Prefecture, in this photo provided by Yamagata Prefectural Police.

Officials from the Japan Meteorological Agency and the Ministry of Land, Infrastructure, Transport and Tourism speak at a news conference after a heavy rain alert was issued for Niigata Prefecture, in Tokyo's Minato Ward on Aug. 4, 2022. (Mainichi/Ikuko Ando)