Ice that was blocking a culvert near Waywayseecappo gave way early this morning, releasing a torrent into the Birdtail Creek but bringing down the water levels behind a crumbling embankment.
Provincial officials said that the ice released around 12:30 a.m. on Wednesday morning, allowing the 30-metre-high floodwaters caught behind it to gush through. Water levels had returned to normal by 7 a.m.
However, floodwaters poured over some roads in the area, forcing further closures of Highway 45.
The embankment itself did not collapse, as had been feared for several days.
The excess water is expected to reach the town of Birtle around noon today. However, he province said that communities and RMs in the path of the water all have flood protection in place.