Cheboygan, Lock and Dam
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Officials say the Maple Island Bridge upstream of the dam is currently closed and the Michigan Avenue Bridge immediately downstream is also closed, along with the dam itself.
White River came within six inches of overtopping the structure before crews lowered the level by removing stoplogs.
CHEBOYGAN — State and local crews were continuing to work into Thursday evening to prevent the failure of the Cheboygan Dam as water levels crept up throughout the day. As of Thursday evening, the river was less than 5 inches below the top of the dam.
Work continues to secure the Big Falls Dam after emergency management warned of a potential failure in Waupaca County.
As of 5:30 p.m. on Thursday, water levels had reached their highest point to date. Water was just 4.92 inches below the top of the structure.
The Cheboygan Dam was just inches away from overflowing, which would unleash a potentially perilous torrent of water.
Water flooded a nearby embankment and walking trail, and officials say the dam could potentially fail.
A beaver dam failure has been reported in Snohomish, prompting a traffic alert and warnings of potential roadway hazards.
The lake is expected to reach its normal legal level by Memorial Day 2026, with engineers monitoring the dam's integrity throughout the gradual refill process.