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Video: Army Corps crane lifts enormous miter gate from Hastings lock and dam

Crews recently began work to replace the decades-old miter gates.

The U.S. Army Corps of Engineers, St. Paul District is in the midst of replacing outdated miter gates at Lock and Dam 2 in Hastings — and this week, provided a glimpse of the work on Facebook Live.

Work began Tuesday morning, marking the first of four daylong closures at the lock and dam. Crews are removing the "damaged and distressed" gates from the 1940s, and replacing them. The new ones are either 27 or 30 feet tall (depending on whether upstream or downstream, respectively) and weigh 256,000-266,000 pounds.

Here's some video the Army Corps shared Tuesday, showing a crane lifting one of the massive miter gates.

There are three more upcoming closures: 7 a.m. to 7 p.m. on July 22, 27 and 29. During these times, the lock will be closed to all traffic. When it reopens, vessels will be allowed through based on priority (government vessels, then excursion, commercial navigation, and recreational boats.)

Lock and Dam 2, located on the Mississippi River, was originally built in 1930.

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