About

Knife River Prestress is a national and regional award-winning leader in the precast/prestressed concrete industry. Since 1958 we have produced a wide range of precast/ prestressed concrete products. PCI-certified producer of premier architectural, bridge and commercial precast products serving Washington, Idaho, Oregon, Nevada, and California. For over 60 years, we have maintained our commitment to integrity and detail in every product and service we provide, from our manufacturing plants in Harrisburg, Oregon and Spokane, Washington, we build in America for America, focusing on quality safety, our team, and our customers while leaving a minimal environmental footprint.