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Flood in Keweenaw County, Michigan

Flood April 22, 2023 · Keweenaw County, Michigan

$1.0M
Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Local media reported Highway M-26 was closed on the evening of the 22nd due to the collapse of a retaining wall at the Silver River Bridge in Keweenaw County. The bridge's already compromised stone retaining wall eroded due to the heavy runoff from spring snow melt forcing the closure of Highway M-26. Traffic has been rerouted along US Highway 41. While MDOT was already planning on a $2.9 million project to remove and replace the bridge this summer, the snowmelt runoff contributed to the bridge failure closing the road sooner than anticipated.

The wider storm

Highway M-26 was closed on the evening of the 22nd due to the collapse of a retaining wall at the Silver River Bridge located between Eagle Harbor and Copper Harbor in Keweenaw County. The bridge's already compromised stone retaining wall eroded due to the heavy runoff from spring snow melt forcing the closure of Highway M-26. MDOT will be working on a $2.9 million project to remove and replace the bridge this summer.

Began near Delaware (47.4627, -88.0725).

Source: NOAA Storm Events Database, event 1093904. Narratives are written by the National Weather Service forecast office that issued the report.

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