How Bridge Girders Are Made

Knife River Prestress, a foremost producer of structural precast in the Pacific Northwest, offers insight into the production of precast prestressed bridges in the region.

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Why Precast?

Knife River received a call from a new electric car dealership that needed a precast roof system, as their steel roof joists were 10-12 months out. A week later, we had flipped the building to a total precast system, and after 24 weeks, we had finished the installation. We build with the efficiency of precast.

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Knife River is a construction company that prioritizes people. Join the Knife family, and embark on an exciting and rewarding career.

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Our Story

Knife River prestress has been in operation for over 60 years and currently has two production facilities. Learn more about the history and evolution of our operations today.

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About Us

Knife River Prestress is one of the largest construction materials and contracting companies in the United States. We have built over 60 years of success as a national and regional award-winning precast/prestressed concrete manufacturer by approaching every client and every project with integrity.

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Knife River offers a wide range of artistically designed finishes for your projects. Finishes include form finish, acid etching, polishing, sandblasting, color, board form, form liners, thin brick, and graphic concrete. At Knife River, our finishes make durable and maintenance-free eye-popping statements or subtle backdrops.

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