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Floods leave at least 9 bridges in Lincoln County unusable, sheriff says

A bridge over Libby Creek, outside the town of Libby, MT, on December 12, 2025. After the flood waters receded, the only thing left connecting both sides of the concrete structure was a metal guardrail.
Aaron Bolton
A bridge over Libby Creek, outside the town of Libby, MT, on December 12, 2025. After the flood waters receded, the only thing left connecting both sides of the concrete structure was a metal guardrail.

Friday morning, several Libby residents ventured just outside of town to see what remained of a concrete bridge crossing Libby Creek. The only thing left connecting both sides was a metal guardrail.

Standing next to the swollen creek, Sandi Oliveira says another bridge washed away just a half mile from her home.

“Our home is fine. A lot of water in the yard, but that has receded now, and about half an inch in our shop, of water. But we got that all cleaned up.”

About 60 homes experienced minor flooding in Libby and Troy. Libby residents are expected to be on a boil water notice for at least a few days.

Sheriff Darren Short spoke about the damage at a press conference.

“This is a major event. This isn’t going to be something we can fix overnight.”

Lincoln County Sheriff Darren Short points at a large screen showing an aerial image of a bridge in Libby, MT. Short spoke about the flood damage at a press conference in Libby on December 12, 2025.
Aaron Bolton
Lincoln County Sheriff Darren Short speaks about the flood damage at a press conference in Libby on December 12, 2025.

Short says at least nine bridges are believed to be compromised or completely washed away.

“Some people are driving 30, 40 miles out of their way, when it used to be a one-mile trip into town.”

Gov. Greg Gianforte declared a state of emergency. That could bring state funds to the county for recovery. The county could also receive federal financial support.

The county will need to fully assess the damage before it gets that money. That could take a while with two more inches of rain in the forecast.

Aaron joined the MTPR team in 2019. He reports on all things in northwest Montana and statewide health care.

aaron@mtpr.org or call/text at 612-799-1269
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