Close-up of a textured concrete surface with stamped horizontal lines and patterns.

Graphic Concrete

 Rows of thin brick tiles in varying shades of tan, brown, and beige arranged in a running bond pattern with visible mortar lines.

Thin Brick

 Close-up of a precast concrete wall panel featuring a staggered linear relief pattern and textured finish.

Form Liner

 Close-up of smooth precast concrete with a subtle mottled gray finish.

Form Finish

 Speckled gray and tan aggregate texture of acid-etched concrete surface with a matte, rough finish.

Acid Etch

 Close-up of sandblasted precast concrete with a coarse granular texture in tan and gray tones.

Sandblast

 Solid pink colored concrete surface meeting a textured aggregate finish, showcasing decorative concrete surfaces.

Colored Concrete

 Close-up of exposed aggregate concrete with densely packed gray, brown, and tan stone.

Retarder

Standard Mix Designs

  • All
  • Black
  • Brown
  • Grey
  • Red
Speckled gray terrazzo or quartz finish surface with flecks of beige and brown aggregate.

Acid Etch

KR-12

Acid Etch

Gray speckled concrete or terrazzo finish with scattered light and dark aggregate flecks across a smooth surface.

Sandblast

KR-12

Sandblast

Black granite finish with fine speckled gray and white flecks across a dark surface.

Acid Etch

KR-13

Acid Etch

Speckled dark grey terrazzo finish with scattered light and dark chips across a polished surface.

Sand Blast

KR-13

Sand Blast

Close-up of a brown speckled stone or terrazzo finish sample.

Acid Etch

KR-14

Acid Etch

Speckled brown terrazzo-style finish with light flecks distributed across a smooth, textured surface.

Sandblast

KR-14

Sandblast

Speckled gray terrazzo finish with black and white flecks.

Acid Etch

KR-15

Acid Etch

Gray terrazzo finish with dark speckles and flecks distributed across a light gray aggregate surface.

Sandblast

KR-15

Sandblast

Speckled gray granite-like surface with scattered dark flecks, showcasing a stone finish texture.

Acid Etch

KR-16

Acid Etch

Gray speckled terrazzo finish with light and dark aggregate flecks across a smooth surface.

Sandblast

KR-16

Sandblast

Close-up of a gray terrazzo finish with speckled aggregate texture and small light and dark flecks throughout.

Acid Etch

KR-17

Acid Etch

Speckled gray terrazzo-style flooring finish with scattered light and dark chips across a smooth surface.

Sandblast

KR-17

Sandblast

Speckled beige terrazzo-style finish with flecks of gray and white flecks.

Acid Etch

KR-18

Acid Etch

Speckled beige terrazzo finish with small embedded chips in varied tones, shown as a close-up surface texture.

Sandblast

KR-18

Sandblast

Speckled gray granite-like finish with scattered dark flecks, ideal for countertops or surfaces.

Acid Etch

KR-19

Acid Etch

Speckled gray terrazzo-style finish with scattered dark and light aggregate flecks.

Sandblast

KR-19

Sandblast

Speckled gray concrete-like finish with a subtle, evenly distributed aggregate texture.

Acid Etch

KR-20

Acid Etch

Gray speckled quartz countertop finish with a smooth, polished surface.

Sandblast

KR-20

Sandblast

Speckled gray finish sample with a smooth, speckled surface and subtle darker flecks throughout.

Sandblast

HAR-Structural

Sandblast

Speckled grayish-brown terrazzo-style finish with a granular, polished surface texture.

Acid Etch

HAR-Structural

Acid Etch

Close-up of gray concrete with a fine sandblasted texture and subtle exposed aggregate.

Sandblast

SPO-Structural

Sandblast

Speckled gray concrete or terrazzo finish with small dark flecks across a smooth, matte surface.

Acid Etch

SPO-Structural

Acid Etch

Speckled gray terrazzo or quartz finish surface with flecks of beige and brown aggregate. Gray speckled concrete or terrazzo finish with scattered light and dark aggregate flecks across a smooth surface. Black granite finish with fine speckled gray and white flecks across a dark surface. Speckled dark grey terrazzo finish with scattered light and dark chips across a polished surface. Close-up of a brown speckled stone or terrazzo finish sample. Speckled brown terrazzo-style finish with light flecks distributed across a smooth, textured surface. Speckled gray terrazzo finish with black and white flecks. Gray terrazzo finish with dark speckles and flecks distributed across a light gray aggregate surface. Speckled gray granite-like surface with scattered dark flecks, showcasing a stone finish texture. Gray speckled terrazzo finish with light and dark aggregate flecks across a smooth surface. Close-up of a gray terrazzo finish with speckled aggregate texture and small light and dark flecks throughout. Speckled gray terrazzo-style flooring finish with scattered light and dark chips across a smooth surface. Speckled beige terrazzo-style finish with flecks of gray and white flecks. Speckled beige terrazzo finish with small embedded chips in varied tones, shown as a close-up surface texture. Speckled gray granite-like finish with scattered dark flecks, ideal for countertops or surfaces. Speckled gray terrazzo-style finish with scattered dark and light aggregate flecks. Speckled gray concrete-like finish with a subtle, evenly distributed aggregate texture. Gray speckled quartz countertop finish with a smooth, polished surface. Speckled gray finish sample with a smooth, speckled surface and subtle darker flecks throughout. Speckled grayish-brown terrazzo-style finish with a granular, polished surface texture. Close-up of gray concrete with a fine sandblasted texture and subtle exposed aggregate. Speckled gray concrete or terrazzo finish with small dark flecks across a smooth, matte surface.

Featured Products

Knife River specializes in high-strength, super-performing concrete products from architectural features in a range of colors and textures, to custom bridge options, railroad bridges, and graphic content patented technology that creates images on concrete. View our featured products here.

All Products

Architectural Products

When integrated into a larger projects, such as insulated wall panel and total precast structures Knife River Prestress casts larger scale architectural projects that can included precast wainscot, caps, pilasters, sills, large signs or custom items....

View Product
A black segmented ring divided into six equal arcs, representing an architectural product component.

Insulated Wall Panel

High Performance CarbonCAST insulated wall panels are typically used in Data Centers, K-12/Higher Education Schools, Distribution Centers, Warehouses or where interior environments and higher thermal efficiencies are required. CarbonCAST panels are f...

View Product
Edge view of a tall black insulated wall panel showing the vertical foam core and panel seams.

Solid Wall Panel

Solid precast panels are used in a wide variety of building scenarios both horizontally and vertically orientated.  Solid precast panels do not have any voids (typically to reduce weight) or insulation (to optimize thermal performance) included, but ...

View Product
A black picture frame with a white rectangular opening, used to display a profile photo on the Careers page.

Spandrel

Discover how precast spandrels can simplify parking structure construction while providing added safety and aesthetics. These versatile units can resist vehicle impact, thereby eliminating the need for on-site cable barriers or CIP upturned beams. Ad...

View Product
L-shaped logo mark for Graphic Concrete, featuring a tall vertical bar and a horizontal rectangle on a white background.

Bulb I

The Bulb I (BI51, BI63 and BI75) is a less commonly used ODOT standard girder for medium to long length span bridges. It utilizes the BT section with the deck blocked in to achieve difficult site requirements such as heavy super elevations and vertic...

View Product
A black I-beam cross-section shape on a white background, representing a structural steel beam used in construction.

Bulb T

The Oregon Bulb-Tee (BT) girder is the preferred choice for most Oregon medium to long span bridges requiring a CIP deck. Bulb Tee precast/prestressed girders are typically used in spans from 60-185′ with significant loading.

View Product
Bold black uppercase serif letterform T on a white background.

WF Girder

The wide flange (WF) girder is the primary bridge girder section used by Washington State Department of Transportation (WSDOT) and Idaho Transportation Department (ITD). WF Girders are typically used in spans of 70-200’ using sections ranging from 36...

View Product
Steel I-beam cross-section with flanges and web for structural support.

Voided-Solid Slabs

Voided Slabs are typically used for 15-85′ bridge spans but can be used in building applications where significant design loads are required. Voided slab design allows for a typical 4′ width slab to include integral voids which reduce the...

View Product
Black slab with two circular voids illustrating a voided-solid slab design.

Projects

Commercial

Industrial

Institutional

Residential

Transportation