Portland & Western Railroad

Reporting mark: PNWR
View Exhibit map

The Portland & Western Railroad is a Class II railroad serving the northwestern corner of Oregon. The PNWR primarily serves the western Willamette Valley between Eugene and Portland with spur lines serving timber industries in the Coast Range. The railroad also serves the port city of Toledo on Yaquina Bay and the communities along the Lower Columbia River.

The Portland & Western Railroad features a wide variety of railroad structures including fixed span truss bridges, a movable bridge and many large timber trestles.


Helvetia Road Trestle (Washington County, Oregon)
Built 1911
Beam bridge over NW Helvetia Road on Portland & Western Railroad
Open to traffic

PNWR - Amity Trestle (Yamhill County, Oregon)
Timber trestle over Ash Swale on Portland & Western Railroad
Open to traffic

PNWR - Ash Creek Trestle (Polk County, Oregon)
Timber stringer bridge over Ash Creek on Portland & Western Railroad
Open to traffic

PNWR - Ash Swale Trestle (Yamhill County, Oregon)
Timber trestle over Ash Swale on Portland & Western Railroad
Open to traffic

PNWR - Blind Slough Bridge (Clatsop County, Oregon)
Built 1895
Warren through truss bridge over Blind Slough on Portland and Western Railroad
Closed

PNWR - Burlington Trestle (Multnomah County, Oregon)
Timber stringer bridge over Unnamed creek on Portland & Western Railroad
Open to traffic

PNWR - Calapooia River Bridge (Linn County, Oregon)
Built in 1908 by the Oregon Electric Railroad
Through truss bridge over Calapooia River on Portland and Western Railroad (PNWR) in Albany
Open to traffic

PNWR - Chehalem Creek Trestle (Yamhill County, Oregon)
Timber stringer bridge over Chehalem Creek on Portland & Western Railroad
Open to traffic

PNWR - Clatskanie River Bridge (Columbia County, Oregon)
Built 1897
Warren through truss swing bridge over Clatskanie River on Portland & Western Railroad (PNWR) in Clatskanie
Open to traffic

PNWR - Cornelius Pass Railroad Tunnel (Multnomah County, Oregon)
Built 1911
Tunnel under Under Cornelius Pass Road on Portland & Western Railroad
Open to traffic

PNWR - Hawn Creek Trestle (Yamhill County, Oregon)
Timber stringer bridge over Hawn Creek on Portland & Western Railroad
Open to traffic

PNWR - Holcomb Creek Trestle (Washington County, Oregon)
Built ca. 1905 for the interurban Oregon Electric Railway
Timber stringer bridge over Holcomb Creek and Dick Road on Portland and Western Railroad
Open to traffic

PNWR - John Day River Bridge (Clatsop County, Oregon)
Pony truss bridge over John Day River on Portland & Western Railroad
Open to traffic?

PNWR - Kellogg Lake Trestle (Clackamas County, Oregon)
PNWR Over Oregon 99E (McLoughlin Blvd)/ Kellogg Lake/ SE Lake Road
Open to traffic

PNWR - Lake Oswego Bridge (Clackamas County, Oregon)
The bridge was built in 1907 by the Southern Pacific Railroad, in response to the desires of Portland city planners for an eastside railway bypass to keep rail traffic out of downtown Portland.
Parker through truss bridge over Willamette River on Union Pacific Railroad in Lake Oswego
Open to traffic

PNWR - Marys River Bridge (Benton County, Oregon)
Pratt through truss bridge over Marys River on Portland & Western Railroad
Open to traffic

PNWR - Rock Creek Trestle (Washington County, Oregon)
Built 1930
Lost Timber stringer bridge over Rock Creek on Portland and Western Railroad
Destroyed by fire

PNWR - Salt Creek Trestle (Yamhill County, Oregon)
Timber stringer bridge over Salt Creek on Portland & Western Railroad
Open to traffic

PNWR - South Yamhill River Bridge (Yamhill County, Oregon)
Through truss bridge over South Yamhill River on Portland & Western Railroad
Open to traffic

PNWR - St. Joseph Undercrossing (Yamhill County, Oregon)
Built 1921, Lengthened and raised 1953.
Steel stringer bridge over OR 99W on Portland & Western Railroad
Open to traffic

PNWR - Summit Highway Overcrossing (Benton County, Oregon)
Built 1925
Timber trestle over OR-180 on Portland & Western Railroad
Open to traffic

PNWR - Tualatin River Bridge (Washington County, Oregon)
Built 1906
Pratt through truss bridge over Tualatin River on Portland and Western Railroad (PNWR)
Open to traffic

PNWR - Tualatin River Bridge (North) (Washington County, Oregon)
Warren through truss bridge over Tualatin River on Portland and Western Railroad in Tualatin
Open to traffic

PNWR - Whiteson Dip Trestle (Yamhill County, Oregon)
Timber stringer bridge over Whiteson Dip on Portland & Western Railroad
Open to traffic

PNWR - Whiteson Trestle (Yamhill County, Oregon)
Built Ca. 1890; TPG built 1938;
Pony/through plate girder bridge over South Yamhill River on Portland and Western Railroad (PNWR)
Open to traffic

PNWR - Willamette River Bridge (Linn County, Oregon)
Built 1921 by the Southern Pacific Railroad
Swing span through truss bridge over Willamette River on Portland and Western Railroad (PNWR) in Albany
Open to traffic

PNWR - Willamette River Bridge (Linn County, Oregon)
Built Ca. 1910
Vertical lift bridge over Willamette River on Portland and Western Railroad (PNWR)
Open to traffic

PNWR - Willamette River Bridge (Clackamas County, Oregon)
Built 1975
Warren through truss with all verticals bridge over Willamette River on Portland and Western Railroad (PNWR) in Wilsonville
Open to traffic

PNWR - Willamette Slough Viaduct (Marion County, Oregon)
Timber stringer bridge over Slope above Willamette Slough on Portland & Western Railroad
Open to traffic

PNWR - Willamina Creek Trestle (Yamhill County, Oregon)
Timber stringer bridge over Willamina Creek on Portland & Western Railroad
Open to traffic