Portland, Oregon

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99W Ramp (NB) (Multnomah County, Oregon)
1950 Concrete stringer approach to Steel bridge west portal
Open to traffic

99W Steel Bridge Approach (Multnomah County, Oregon)
1910 Deck plate girder with floorbeam system
Open to traffic

Alexandra Avenue Bridge (Multnomah County, Oregon)
Built 1922
Concrete arch bridge over a canyon on NW Alexandra Avenue in Portland
Open to traffic

Balch Gulch Bridge (Multnomah County, Oregon)
Built 1905
Pin-connected Pratt deck truss bridge over Balch Gulch on NW Thurman Street in Portland
Open to traffic

BNSF - Columbia Slough Bridge (Multnomah County, Oregon)
Built 1908
Pratt through truss bridge over Columbia Slough on BNSF Railway in Portland
Open to traffic

BNSF - Oregon Slough Bridge (Multnomah County, Oregon)
Built 1908
Swing span through truss bridge over Columbia River - Oregon Slough on BNSF Railway in Portland
Open to traffic

BNSF - Willamette River Bridge (Multnomah County, Oregon)
1908 Built with swing span, 1989 Vertical lift replaces swing span
Vertical lift bridge over Willamette River on BNSF Railway Line in Portland
Open to traffic

Broadway Bridge (Multnomah County, Oregon)
Built 1912; rehabilitated 1927
Rall-Bascule lift bridge over Willamette River on Broadway Street in Portland
Open to traffic

Burnside Bridge (Multnomah County, Oregon)
Built 1926
Strauss bascule lift bridge over Willamette River on Burnside Bridge in Portland
Open to traffic

Burnside Bridge (Old) (Multnomah County, Oregon)
Built 1894,replaced and 2 spans relocated in 1926.
Lost Truss bridge over Willamette river on Burnside St
Replaced by a new bridge

Burnside Street Bridge (E) (Multnomah County, Oregon)
1927 Concrete deck girder and floorbeam system
Open to traffic

Burnside Street Bridge (W) (Multnomah County, Oregon)
1927 Concrete girder
Open to traffic

Burnside Tunnel (Multnomah County, Oregon)
Built 1940
Tunnel on W. Burnside Street in Portland
Open to traffic

Columbia Slough Bridge (Multnomah County, Oregon)
Built 1916, Widened 1951
Deck plate girder bridge over Columbia Slough on OR 99E (MLK Jr. Blvd)
Open to traffic

Columbia Slough Bridge (Multnomah County, Oregon)
1916 Steel deck girder and flooring system Bridge
Open to traffic

Cornell Tunnel No. 1 (Multnomah County, Oregon)
Built 1940
Tunnel on NW Cornell Road in Portland
Open to traffic

Cornell Tunnel No. 2 (Multnomah County, Oregon)
Built 1941
Tunnel on NW Cornell Road in Portland
Open to traffic

Darlene Hooley Bridge (Multnomah County, Oregon)
Built 2012
Girder bridge over I-5
Open to pedestrians only

EPTC/SP Overpass (Clackamas County, Oregon)
Removed 1991
Lost Pony/through plate girder bridge over Southern Pacific Railroad on East Portland Traction Co./Portland Railroad and Terminal Division of Portland Traction Company
Removed

Fessenden Street Bridge (Multnomah County, Oregon)
Built 1909
Warren deck truss bridge over BNSF Railway on Fessenden Street in Portland
Open to traffic

Fremont Bridge (Multnomah County, Oregon)
Built 1973
Steel through arch bridge over Willamette River on I-405 in Portland
Open to traffic

Hawthorne Bridge (Multnomah County, Oregon)
Built 1910; Rehabilitated 1944, Rehabilitated & Painted in 1999
Vertical lift bridge over Willamette River on Hawthorne Blvd. in Portland
Open to traffic

I-5 - Interstate Bridge (Northbound) (Multnomah County, Oregon)
Built 1917, Main span modification 1958
Vertical lift bridge over the Columbia River on northbound I-5 between Vancouver and Portland in Portland
Open to traffic

I-5 - Interstate Bridge (Southbound) (Multnomah County, Oregon)
Built 1958
Parker through truss bridge over Columbia River on Southbound I-5
Open to traffic

I-5 - Marquam Bridge (Multnomah County, Oregon)
Built 1966, Seismic Retrofit 1996
Cantilevered Warren deck truss bridge over Willamette River on I-5 in Portland
Open to traffic

Madison Street Bridge (1st) (Multnomah County, Oregon)
Built 1891 Rebuilt into second bridge 1900
Lost Pratt through truss swing bridge over Willamette river on Madison Ave now Hawthorne street.
Replaced by a new bridge

Madison Street Bridge (2nd) (Multnomah County, Oregon)
Built 1900; Replaced 1910
Lost Howe through truss swing bridge over Willamette river on Madison Ave now Hawthorne street.
Partially destroyed by fire & replaced

Martin Luther King Jr. Blvd Viaduct (Multnomah County, Oregon)
Built 1937, Replaced 2008-2009
Stringer bridge over UPRR & Division Street on Oregon 99E in Portland
Replaced by a new bridge

MAX Blue/Red Lines - Robertson Tunnel (Multnomah County, Oregon)
Built 1998
Tunnel under the West Hills (Tualatin Mountains) on MAX Light Rail Blue Line & Red Line
Open to traffic

MLK Jr. Blvd Bridge (Multnomah County, Oregon)
1908 Steel deck girder on MLK Jr. Blvd OR99E
Open to traffic

Morrison Bridge (Multnomah County, Oregon)
Built 1958
Bascule bridge over Willamette River on Morrison Street in Portland
Open to traffic

Morrison Street Bridge (1st) (Multnomah County, Oregon)
Built 1888; Replaced 1905
Lost Pratt through truss bridge over Willamette river on Morrison street
Replaced by a new bridge

Morrison Street Bridge (2nd) (Multnomah County, Oregon)
Built 1905; Replaced 1958
Lost Through truss bridge over Williamette River on Morrisson Street
Replaced by a new bridge

N Columbia Blvd Bridge (Multnomah County, Oregon)
1909 Steel deck girder and floorbeam system
Open to traffic

NE 12th Avenue Bridge (Multnomah County, Oregon)
1910 deck plate girder with floorbeam system
Open to traffic

NE 21st Avenue Bridge (Multnomah County, Oregon)
1912 Concrete stringer
Open to traffic

NE 28th Avenue Bridge (Multnomah County, Oregon)
1908 Concrete girder and floorbeam system
Open to traffic

NE 33rd Avenue Bridge (Multnomah County, Oregon)
1924 Concrete stringer
1924 Concrete stringer
Open to traffic

NE 53rd Avenue Bridge (Multnomah County, Oregon)
1917 Concrete Stringer
1917 Concrete stringer
Open to traffic

NE 60th Avenue Bridge (Multnomah County, Oregon)
1917 concrete stringer
1917 Concrete stringer
Open to traffic

NE 74th Avenue Bridge (Multnomah County, Oregon)
1917 Steel stringer
1917 Steel stringer
Open to traffic

NE Grand Avenue Bridge (Multnomah County, Oregon)
1908 Steel Deck girder
Open to traffic

Newbury Street Viaduct (Multnomah County, Oregon)
Built 1934
Wooden bridge over SW Newbury Street on OR 99W in Portland
Open to traffic

North Lombard Street Bridge (Multnomah County, Oregon)
Built 1909
Warren deck truss bridge over the BNSF Railroad on N. Lombard St. in Portland
Open to traffic

NW Broadway Ramp (Multnomah County, Oregon)
1913 Steel girder and floor beam system
Open to traffic

NW Lovejoy Ramp (Multnomah County, Oregon)
1913 Steel deck girdger with floor beam system
1913 Deck girder bridge over Lovejoy St conn on NW Lovejoy
Open to traffic

OR 99E-UP Overpass (Multnomah County, Oregon)
1916 Concrete stringer bridge
Open to traffic

Portland Heights Cable Car Trestle (Multnomah County, Oregon)
Built 1890; Removed 1904
Lost Timber stringer bridge on Portland Railway, Light & Power Co. up Portland Heights
Removed

Portland Sellwood ferry (Multnomah County, Oregon)
Replaced by Sellwood bridge in 1925
Lost Bridge over Willamette river
Replaced by a new bridge

Rocky Butte Tunnel (Multnomah County, Oregon)
Built 1939
Tunnel under Rocky Butte on Rocky Butte Road in Portland
Open to traffic

Ross Island Bridge (Multnomah County, Oregon)
Built 1926; rehabilitated 2000-01
Cantilevered steel arch bridge over Willamette River on US 26 in Portland
Open to traffic

Sandy Blvd Bridge (Multnomah County, Oregon)
1916 Concrete stringer over OWRR; N Access Road
Open to traffic

Sauvie Island Bridge (Multnomah County, Oregon)
Built 1948
Lost Parker through truss bridge over Multnomah Channel on FAS A668 in Portland
Replaced by a new bridge in June 2008

SE Bybee Blvd Bridge (Multnomah County, Oregon)
1910 Steel girder with floor beam system
1910 Lost Girder bridge over SPRR; Field on SE Bybee Blvd
Replaced by a new bridge

SE Tacoma Street Bridge (Multnomah County, Oregon)
1915 Concrete stringer Bridge
Open to traffic

Sellwood Bridge (Multnomah County, Oregon)
Built 1925: Replaced 2016
Baltimore deck truss bridge over Willamette River on Tacoma Street in Portland
Replaced by a new bridge

Spring Street Bridge (Multnomah County, Oregon)
Built 1938
Wooden bridge over SW Spring Street in Portland
Open to pedestrians only

St. Johns Bridge (Multnomah County, Oregon)
Built 1931
Suspension bridge over Willamette River on US 30 Bypass in Portland
Open to traffic

Steel Bridge (Multnomah County, Oregon)
Built 1912
Vertical-lift through truss bridge over Willamette River on Pacific Highway West & MAX Blue Line in Portland
Open to highway and light rail traffic on upper deck; bicycle/pedestrian and rail traffic on lower deck

Steel Bridge (Old) (Multnomah County, Oregon)
Built 1888, Replaced 1912
Lost Truss bridge over Willamette river on Oregon Railway and Navigation Co. & Road
Replaced by a new bridge

SW Capitol Highway Bridge (Multnomah County, Oregon)
1915 Mixed types Bridge
Open to traffic

Tilikum Crossing (Multnomah County, Oregon)
Construction 2011-2015
Cable-stayed bridge over Willamette River on MAX Light Rail Orange Line, Portland Streetcar, Pedestrian Path & Bus Lanes
Open to traffic

Union Station Pedestrian Bridge (Multnomah County, Oregon)
Steel through arch bridge over BNSF Tracks on Foot traffic
Open to pedestrians only

Vermont Street Viaduct (Multnomah County, Oregon)
Built 1934
Wooden bridge over SW Vermont Street on OR 99W in Portland
Open to traffic

Vista Avenue Viaduct (Multnomah County, Oregon)
Built in 1925 by Parker & Banfield
Concrete arch bridge over SW Jefferson on SW Vista Avenue in Portland
Open to traffic

Vista Ridge Tunnel (Multnomah County, Oregon)
Built 1969
Pair of tunnels under Vista Ridge on US 26 in Portland
Open to traffic

Willamette Blvd. Bridge (Multnomah County, Oregon)
Built 1909
Warren deck truss bridge over BNSF Railway on Willamette Blvd. in Portland
Open to traffic