Northwest Contract Co.

Skookumchuck River Bridge (Lewis County, Washington)
Contractor, 1928
Through truss bridge over Skookumchuck River on WA 507 in Centralia
Open to traffic

Tualatin River Bridge (Washington County, Oregon)
Contractor, 1929
Warren deck truss bridge over Tualatin River on OR 99W SB in Tualatin
Open to traffic