BOULDER COUNTY - U.S. 36 between Lyons and Estes Park is now open after a blasting operation.

The road was scheduled to be closed from noon to 3 p.m. Monday for blasting operations that would loosen an expected 210,000 cubic yards of material, the equivalent of 210,000 dishwashers, from the mountainside, CDOT said.

The project near mile marker 17 took much longer to clean up than expected and caused the closure of U.S. Highway 36 for more than 24 hours.

What went wrong? Rocks that fell from the mountainside, during a scheduled three-hour blasting operation, fell in much larger chunks than they expected.

The car-size boulders were broken up into smaller pieces and cleared from the road before it was reopened Tuesday afternoon.

Monday's scheduled blasting closure was the second of 20 different three-hour blasting operations that are part of the U.S. 36 Emergency Flood Reconstruction project between Lyons and Estes Park.

How long will it take for U.S. 36 to get back to normal after September's floods crippled the highway?

9NEWS Reporter Kevin Torres and Photojournalist Michael Driver are on their way to Lyons now to answer that question.

They will have a full report on #9NEWS at 9pm/10pm this evening.

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