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County engineer outlines progress on Hoff Road bridge — pile driving nearly complete

Black Hawk County Board of Supervisors · July 14, 2026

Summary

County Engineer Kathy Nicholas showed photos and described pile-driving, abutment work and safety steps at the Hoff Road bridge. She said piles are driven about 50 feet and that crew may finish pile driving this week before moving to another bridge later this summer.

County Engineer Kathy Nicholas briefed the Board of Supervisors on July 14 about ongoing work at the Hoff Road bridge, including pile-driving of seven H-piles, installation of sheet piling and construction of the abutment cap.

"This pile is being driven about 50 feet into the ground," Nicholas said while walking the board through photos of the crew’s work and equipment. She described the sequence—seating piles in leads, using a diesel hammer to drive piles, cutting piles to the proper height and installing back wall sheet piling—and emphasized safety improvements such as renting a lift so employees do not need to climb the leads.

Nicholas said the crew expected to finish pile driving that day or by Thursday and noted another bridge project scheduled for later in the summer. Board members asked procedural questions about timing and planning; Nicholas said design work would be required to change surfacing approaches in other towns (discussed separately).

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