Interstate 5

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BNSF - I-5 Overpass (NB) (Pierce County, Washington)
Built 1936
1936 Pony/through plate girder bridge over I-5 (SB) on BNSF RR
Open to traffic

BNSF - I-5 Overpass (NB) (Pierce County, Washington)
Built 1936
Deck plate girder bridge over Interstate 5 Northbound on BNSF Railway
Open to traffic

BNSF - I-5 Overpass (SB) (Pierce County, Washington)
Built 1936; damaged in deadly derailment 2017; reopened 2021
Pony/through plate girder bridge over Interstate 5 Southbound Lanes on BNSF Railway
Reopened to traffic as of November 2021

BNSF - Santa Ana Freeway Overpass (Los Angeles County, California)
Built 1952
Through plate girder bridge over Santa Ana Freeway on BNSF Rwy
Open to traffic

I 5/CA 14 Split Tunnel (Los Angeles County, California)
Tunnel for IH-5SB truck bypass
Tunnel under the I 5/CA 14 split
Open to traffic

I-5 - Antlers Bridge (Shasta County, California)
Built 1941; rehabilitated 1967; Demolished 2017
Spandrel braced cantilever Deck truss bridge over Sacramento River on I-5
Demolished

I-5 - Booth Ranch Bridge (SB) (Douglas County, Oregon)
Built 1965; rehabilitated 1983
Warren deck truss bridge over South Umpqua River on Southbound I-5
Open to traffic

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

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

I-5 - Cowlitz River Bridge (NB) (Lewis County, Washington)
Built 1953
Polygonal Warren through truss bridge over Cowlitz River on I-5
Open to traffic

I-5 - Cowlitz River Bridge (SB) (Lewis County, Washington)
Built 1953
Polygonal Warren through truss bridge over Cowlitz River on I-5 Southbound
Open to traffic

I-5 - Dog Creek Bridge (Shasta County, California)
Built 1956; rehabilitated 1989
Concrete arch bridge over Dog Creek on I-5
Open to traffic

I-5 - East Fork Lewis River Bridge (NB) (Clark County, Washington)
Built in 1939 as a new routing of US 99. Then became I-5 in the 1960's.
Through truss bridge over East Fork Lewis River on I-5 Northbound
Open to traffic

I-5 - Ebey Slough Bridge (SB) (Snohomish County, Washington)
Built 1954; rehabilitated 1968
Steel stringer bridge over Ebey Slough BNSF RR WA 529 on Southbound I-5
Open to traffic

I-5 - Fords Bridge (Douglas County, Oregon)
Built 1957; Replaced 2003
Lost Warren deck truss bridge over South Umpqua River on I-5
Replaced by new bridge

I-5 - Lake Washington Ship Canal Bridge (King County, Washington)
Built 1962
Deck truss bridge over Lake Washington Ship Canal on I-5 in Seattle
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

I-5 - Nisqually River Bridge (NB) (Thurston County, Washington)
Built 1937; rehabilitated 1982
Polyngonal Warren through truss bridge over Nisqually River on I-5
Open to traffic

I-5 - Nisqually River Bridge (SB) (Thurston County, Washington)
Built 1967
Polygonal Warren through truss bridge over Nisqually River on Southbound I-5
Open to traffic

I-5 - Nooksack River Bridge (NB) (Whatcom County, Washington)
Built 1955
Polygonal Warren through truss bridge over Nooksack River on I-5 in Ferndale
Open to traffic

I-5 - North Fork Lewis River Bridge (NB) (Clark County, Washington)
Built 1968
Continuous Warren through truss bridge over North Fork Lewis River on I-5 northbound
Open to traffic

I-5 - North Fork Lewis River Bridge (SB) (Clark County, Washington)
Built 1940
Coninuous Warren through truss bridge over North Fork Lewis River on I-5 southbound
Open to traffic

I-5 - Pit River Bridge (Shasta County, California)
Built 1941, rehabilitated 2008
Double deck, deck truss bridge over Shasta Lake (Pit River Arm) on I-5 & Union Pacific Railroad
Open to traffic

I-5 - Santiam River Bridge (Marion County, Oregon)
SB built 1946, NB built 1958, NB replaced 1991, SB replaced 1995
Lost pair of steel arch bridges over Santiam River on Interstate 5
Replaced by new bridge

I-5 - Shady Bridges (Douglas County, Oregon)
Northbound bridge built 1955; southbound built 1964, Both spans replaced 2009
Lost pair of Warren deck truss bridges over South Umpqua River I-5 in Green
Replaced by a concrete box girder bridge in 2009

I-5 - Skagit River Bridge (Skagit County, Washington)
Built 1955. One span collapsed May 23, 2013, Reopened with a temporary span on June 19, 2013, temporary span replaced on 15 September, 2013 and now open to traffic
Through truss bridge over Skagit River on I-5 in Mount Vernon
One span collapsed May 23, 2013, Reopened with temporary span June 19, 2013; temporary span replaced with a permanent span on 15 September, 2013 and now open to traffic

I-5 - Skookumchuck River Bridge (NB) (Lewis County, Washington)
Built 1951
Polygonal Warren through truss bridge over Skookumchuck River on I-5 in Centralia
Open to traffic

I-5 - Skookumchuck River Bridge (SB) (Lewis County, Washington)
Built 1951
Polygonal Warren through truss bridge over Skookumchuck River on I-5 Southbound in Centralia
Open to traffic

I-5 - Stillaguamish River Bridge (SB) (Snohomish County, Washington)
Built 1933, bridge deck replaced 2014
Through truss bridge over Stillaguamish River on I-5
Open to traffic

I-5 - Toutle River Bridge (NB) (Cowlitz County, Washington)
Built 1969
Tied steel through arch bridge over Toutle River on Northbound I-5
Open to traffic

I-5 - Toutle River Bridge (SB) (Cowlitz County, Washington)
Built 1969
Tied steel through arch bridge over Toutle River on Southbound I-5
Open to traffic

I-5 - Veterans Bridge (Douglas County, Oregon)
Built 1955; Widend 1976
Pair of Warren deck truss bridges over South Umpqua River on I-5 in Roseburg
Open to traffic

I-5 - Willamette River Bridge (NB) (Lane County, Oregon)
Completion 2013
Open-spandrel arch bridge over Willamette River on I-5 Northbound
Open to traffic

I-5 - Willamette River Bridge (SB) (Lane County, Oregon)
Built 2011
Open-spandrel arch bridge over Willamette River on I-5 Southbound
Open to traffic

I-5 - Winchester Bridge (NB) (Douglas County, Oregon)
Built 1955
Warren deck truss bridge over North Umpqua River on I-5 in Roseburg
Open to traffic

I-5 - Winchester Bridge (SB) (Douglas County, Oregon)
Built 1964; rehabilitated 1996
Warren deck truss bridge over North Umpqua River on I-5 Southbound
Open to traffic

I-5 Weedin Place Fallout Shelter (King County, Washington)
Built 1963
Concrete culvert bridge on I-5
Open to pedestrians only

MILW - I 5 Overpass (Whatcom County, Washington)
Built 1959
Lost Girder bridge over Interstate 5 on Seven Mile Road Bridge
Removed but not replaced

Railroad Trail - I 5 Overpass (Whatcom County, Washington)
Built 1959 as a Northern Pacific Railroad trestle to cross over the newly built Interstate 5.
Steel stringer bridge over Interstate 5 on Cmstpp Rr
Open to pedestrians only

Sacramento River Bridge (Siskiyou County, California)
Built 1955; rehabilitated 1983
Concrete arch bridge over Sacramento River on I-5 in Dunsmuir
Open to traffic