Portland and Western Railroad
P.N.W.R. - Holcomb Creek Trestle (Washington County, Oregon)Built ca. 1905
Wooden bridge over Holcomb Creek and Dick Road on Portland and Western Railroad
Open to traffic
P.N.W.R. - Tualatin River Bridge (Washington County, Oregon)Built 1906
Pratt through truss bridge over Tualatin River on Portland and Western Railroad (P.N.W.R.)
Open to traffic
P.N.W.R. - Willamette River Bridge (Linn County, Oregon)Built 1921 by the Southern Pacific Railroad
Warren through truss bridge over Willamette River on Portland and Western Railroad in Albany
Open to traffic