Washington County

Banks-Vernonia Trail - Buxton Trestle   [Map]
Timber stringer bridge over Mendenhall Creek on Banks-Vernonia Trail
Open to pedestrians only
Built 1920
Banks-Vernonia Trail - OR 47 Overpass (N)   [Map · Street View]
Timber trestle bridge over OR-47 on Banks-Vernonia Trail
Open to pedestrians
Built 1920
Banks-Vernonia Trail - OR 47 Overpass (S)   [Map · Street View]
Steel stringer bridge over OR 47 on Banks-Vernonia Trail
Open to pedestrians only
Built 1920
Beaverton Creek Bridge   [Map]
Steel stringer bridge over Beaverton Creek
Intact but closed to all traffic. Fenced off to prevent pedestrian traffic.
Dennis L. Edwards Tunnel   [Map · Street View]
Tunnel on US 26
Open to traffic
Built in 1940
Gales Creek Bridge   [Map · Street View]
Steel stringer bridge over Gales Creek on Timber Road
Open to traffic
Built 1936
MAX Blue Line - Main Street Overpass   [Map · Street View]
Concrete through arch bridge over Main Street on MAX Light Rail Blue Line
Open to traffic
Buil 1997
MAX Blue/Red Lines - Robertson Tunnel   [Map]
Tunnel under the West Hills (Tualatin Mountains) on MAX Light Rail Blue Line & Red Line
Open to traffic
Built 1998
PNWR - Holcomb Creek Trestle   [Map]
Timber stringer bridge over Holcomb Creek and Dick Road on Portland and Western Railroad
Open to traffic
Built ca. 1905 for the interurban Oregon Electric Railway
PNWR - OR 99W Overpass   [Map]
Steel stringer bridge over OR 99W on Portland & Western Railroad
Unknown status
Built 1927
PNWR - Rock Creek Trestle   [Map]
Lost Timber stringer bridge over Rock Creek on Portland and Western Railroad
Destroyed by fire
Built 1930
PNWR - Tualatin River Bridge   [Map]
Pratt through truss bridge over Tualatin River on Portland and Western Railroad (PNWR)
Open to traffic
Built 1906
POTB - OR47 Overpass   [Map · Street View]
Steel stringer bridge over OR 47 on Port of Tillamook Bay Railroad
Open to traffic
Taylor's Ferry Covered Bridge 37-34-01#3x   [Map]
Lost Howe through truss bridge over Tualatin River on West Side Highway
Replaced by a new bridge
Built 1918; Replaced 1955
Tualatin River Bridge   [Map · Street View]
Warren deck truss bridge over Tualatin River on OR 99W SB in Tualatin
Open to traffic
Built 1929