Knife River Prestress, INC
7721 N Idaho Rd, Newman Lake, WA 99025
Operating signal within 12 months from two or more independent sources.
What they make
Other Concrete Product Manufacturing327390Knife River Prestress manufactures precast concrete products including insulated wall panels, solid wall panels, hollowcore, double tees, beams, columns, stairs, and various bridge products such as deck bulb tees, WF girders, box beams, and AASHTO girders. The company serves commercial, institutional, residential, and transportation industries, offering finishing options including thin brick, graphic concrete, colored concrete, sandblast, and acid etch. Knife River is PCI-certified and operates manufacturing plants in Spokane, Washington and Harrisburg, Oregon.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Products
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Interstate Concrete & Asphalt - Freeman | Post Falls | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 2.0 KM |
| Inland Northwest Precast LLC | Newman Lake | Other Concrete Product Manufacturing 327390 | LIKELY ACTIVE | 1.9 KM |
| Interstate Concrete and Asphalt - Freeman Pit Batch Plant | Post Falls | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 3.2 KM |
| Freeman Pit | Post Falls | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 3.2 KM |
| Interstate Concrete & Asphalt Post Falls | Post Falls | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 3.5 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 5 FEDERAL SOURCES, 9 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | APR 2026 | APR 2026 |
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| EPA FRS | EXISTENCE | MAY 2024 | MAY 2024 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | APR 2026 |
| CAGE CODE | SAM GOV | APR 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | APR 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | APR 2026 |
| REGISTRATION EXPIRATION | SAM GOV | APR 2026 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | APR 2026 |
| WEBSITE | SAM GOV | APR 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


