Main Office
8849 W. Wyoming Avenue
Rathdrum,ID 83858
(208) 765-1144

Sandpoint Office
1000 Baldy Mountain Rd
PO Box 1113
Sandpoint, ID 83864
(208) 263-0538

Idaho Public Works
Contractor License
Unlimited 1-2-3

Idaho Contractor
Registration No. RCE-1593

Montana Contractor
Registration No. 150433

Washington L & I

Ready Mixed Concrete

Interstate Concrete & Asphalt has been in the readymix business for almost 30 years.  Concrete is produced by experienced operators at modern facilities with National Ready Mixed Concrete Association (NRMCA) certification.  State-of-the-art dispatch and communication systems are used to help ensure the timeliness of deliveries.  And expert teams of drivers, salespeople, quality control technicians, operators, and dispatch professionals are available to ensure customer satisfaction.

Interstate is experienced in designing and delivering many different specialty concrete mixes, including integral color, fiber reinforced concrete, sustainable concrete mixes, self-consolidating concrete, and pervious concrete pavement.  The company has received numerous quality awards from several different industry associations.

Concrete Calculator

NRMCA Concrete-In-Practice (CIP)

Residential Performance Concrete
  • Bronze Mixes - meets standard building requirements
  • Silver Mixes - for the Professional Builder
  • Gold Mixes - for the Custom Home Builder


Commercial Performance Concrete
  • High strength capabilities
  • Flyash mixes
  • LEED certifiable mixes (Sustainable concrete designs)
  • Self-Consolidating Concrete (SCC) mixes
  • Pervious Concrete mixes
  • Value-Engineered mixes


SustainCon® Concrete

Sustainability - meeting the needs of the present without compromising the ability of future generations to meet their needs.

SustainCon® is a product line of commercial and residential concrete mixes provided exclusively by Interstate Concrete & Asphalt and the Oldcastle Northwest Division and designed to "Build for a Better World".  These mixes are designed with our environment in mind and contribute to a sustainable world.

SustainCon® Brochure

Lifecrete® Residential Concrete Series
  • Standard Green Mixes - meets standard building requirements
  • Pro Green Mixes - for the Professional Builder
  • Master Green Mixes - for the Master Home Builder


ProS4® Commercial Concrete Series
  • PT ProS4 - Post Tension Deck Concrete Applications
  • SCC ProS4 - Self-Consolidating Concrete
  • Pervious ProS4 - Pervious Concrete Applications
  • CDF ProS4 - Control Density Fill Applications
  • Shotcrete ProS4 - Shotcrete Applications


Decorative Concrete
  • "Personal Touch" Colored Concrete Mixes - liquid integral colored concrete; color matching capabilities. Performance Color Chart
  • Exposed Aggregate Mixes (several options to choose from)
  • Stamped Concrete Mixes to meet any architectural requirement
  • Sand-finish or Textured Concrete Mixes


Admixture & Fiber-Reinforcement

ICA partners with industry leaders to value-engineer ready-mixed concrete to meet innovative mix design specifications and reduce customer project costs.  Do-it-yourselfers and contractors may choose from a variety of options to increase the value of any project.  Fiber CIP 24.  Chemical CIP 15.

  • Micro-fibers (i.e. Buckeye) - helps reduce plastic shrinkage cracking in slabs
  • Macro-fibers (i.e. Strux, Novamesh 850) - replaces rebar and welded wire mesh for slabs on grade and elevated decks
  • High-range water reducers (i.e. Super p) - allows workability without impacting w/c ratio
  • Accelerators - speeds up concrete set time in seasonal low temps
  • Dampproofers - integrated foundation dampproofing agent (no more water emulsion)
  • Retarders - allow for extended delivery times