Portland, Oregon
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Alexandra Avenue Bridge (Multnomah County, Oregon)
Built 1922Concrete arch bridge over a canyon on NW Alexandra Avenue in PortlandOpen to traffic
B.N.S.F. - Oregon Slough Bridge (Multnomah County, Oregon)
Built 1908Swing span through truss bridge over Columbia River - Oregon Slough on BNSF Railway in PortlandOpen to traffic
B.N.S.F. - Willamette River Bridge (Multnomah County, Oregon)
1908 Built with swing span, 1989 Vertical lift replaces swing spanVertical lift bridge over Willamette River on BNSF Railway Line in PortlandOpen to traffic
Balch Gulch Bridge (Multnomah County, Oregon)
Built 1905Pin-connected Pratt deck truss bridge over Balch Gulch on NW Thurman Street in PortlandOpen to traffic
Broadway Bridge (Multnomah County, Oregon)
Built 1912; rehabilitated 1927Rall-Bascule lift bridge over Willamette River on Broadway Street in PortlandOpen to traffic
Burnside Bridge (Multnomah County, Oregon)
Built 1926Strauss bascule lift bridge over Willamette River on Burnside Bridge in PortlandOpen to traffic
Burnside Tunnel (Multnomah County, Oregon)
Built 1940Tunnel on W. Burnside Street in PortlandOpen to traffic
Columbia Slough Bridge (Multnomah County, Oregon)
Built 1916, Widened 1951Deck plate girder bridge over Columbia Slough on OR 99E (MLK Jr. Blvd)Open to traffic
Cornell Tunnel No. 1 (Multnomah County, Oregon)
Built 1940Tunnel on NW Cornell Road in PortlandOpen to traffic
Cornell Tunnel No. 2 (Multnomah County, Oregon)
Built 1941Tunnel on NW Cornell Road in PortlandOpen to traffic
Fessenden Street Bridge (Multnomah County, Oregon)
Built 1909Warren deck truss bridge over BNSF Railway on Fessenden Street in PortlandOpen to traffic
Fremont Bridge (Multnomah County, Oregon)
Built 1973Steel through arch bridge over Willamette River on I-405 in PortlandOpen to traffic
Hawthorne Bridge (Multnomah County, Oregon)
Built 1910; Rehabilitated 1944, Rehabilitated & Painted in 1999Vertical lift bridge over Willamette River on Hawthorne Blvd. in PortlandOpen to traffic
I-5 - Interstate Bridge (Northbound) (Multnomah County, Oregon)
Built 1917, Main span modification 1958Vertical lift bridge over the Columbia River on northbound I-5 between Vancouver and Portland in PortlandOpen to traffic
I-5 - Marquam Bridge (Multnomah County, Oregon)
Built 1966, Seismic Retrofit 1996Cantilevered Warren deck truss bridge over Willamette River on I-5 in PortlandOpen to traffic
Martin Luther King Jr. Blvd Viaduct (Multnomah County, Oregon)
Built 1937, Replaced 2008-2009Stringer bridge over UPRR & Division Street on Oregon 99E in PortlandReplaced by a new bridge
Morrison Bridge (Multnomah County, Oregon)
Built 1958Bascule bridge over Willamette River on Morrison Street in PortlandOpen to traffic
Newbury Street Viaduct (Multnomah County, Oregon)
Built 1934Wooden bridge over SW Newbury Street on OR 99W in PortlandOpen to traffic
North Lombard Street Bridge (Multnomah County, Oregon)
Built 1909Warren deck truss bridge over the BNSF Railroad on N. Lombard St. in PortlandOpen to traffic
Robertson Tunnel (Multnomah County, Oregon)
Built 1998Tunnel under the West Hills (Tualatin Mountains) on MAX Light Rail Tracks in PortlandOpen to traffic
Rocky Butte Tunnel (Multnomah County, Oregon)
Built 1939Tunnel under Rocky Butte on Rocky Butte Road in PortlandOpen to traffic
Ross Island Bridge (Multnomah County, Oregon)
Built 1926; rehabilitated 2000-01Cantilevered steel arch bridge over Willamette River on US 26 in PortlandOpen to traffic
Sauvie Island Bridge (Multnomah County, Oregon)
Built 1948Lost Parker through truss bridge over Multnomah Channel on FAS A668 in PortlandReplaced by a new bridge in June 2008
Sellwood Bridge (Multnomah County, Oregon)
Built 1925Baltimore deck truss bridge over Willamette River on Tacoma Street in PortlandOpen to traffic
Spring Street Bridge (Multnomah County, Oregon)
Built 1938Wooden bridge over SW Spring Street in PortlandOpen to pedestrians only
St. Johns Bridge (Multnomah County, Oregon)
Built 1931Suspension bridge over Willamette River on US 30 Bypass in PortlandOpen to traffic
Steel Bridge (Multnomah County, Oregon)
Built 1912Vertical-lift through truss bridge over Willamette River on OR 99W in PortlandOpen to highway and light rail traffic on upper deck; bicycle/pedestrian and rail traffic on lower deck
Vermont Street Viaduct (Multnomah County, Oregon)
Built 1934Wooden bridge over SW Vermont Street on OR 99W in PortlandOpen to traffic
Vista Avenue Viaduct (Multnomah County, Oregon)
Built in 1925 by Parker & BanfieldConcrete arch bridge over SW Jefferson on SW Vista Avenue in PortlandOpen to traffic
Vista Ridge Tunnel (Multnomah County, Oregon)
Built 1969Pair of tunnels under Vista Ridge on US 26 in PortlandOpen to traffic
Willamette Blvd. Bridge (Multnomah County, Oregon)
Built 1909Warren deck truss bridge over BNSF Railway on Willamette Blvd. in PortlandOpen to traffic