5th Street Bridge[Map] Steel through arch wire suspension bridge over North Fork Skykomish River on 5th Street in Index Open to traffic Built 1999
5th Street Bridge (Old)[Map] Lost Through truss bridge over North Fork Skykomish River on 5th Street Replaced by a new bridge Built 1922; rehabilitated 1981. Replaced with a steel through-arch bridge in 1999
Avenue D Bridge[Map · Street View] Modern Warren through truss bridge over Snohomish River on Airport Way in Snohomish Open to traffic Built 1983
Avenue D Swing Bridge (1889)[Map] Lost Truss bridge over Snohomish River Replaced by a new bridge Built 1889-1891; Replaced 1911
Avenue D Swing Bridge (1911)[Map] Lost Warren through truss bridge over Snohomish Rver on Avenue D Replaced by a new bridge Built in 1911; Replaced 1959
Barclay Creek Bridge[Map] Lost Through truss bridge over Barclay Creek on US 2 Replaced by a new bridge in 2003 Built 1934; replaced 2003
BNSF - Canyon Falls Bridge[Map] Warren through truss bridge over South Fork Skykomish River on BNSF Railway Open to traffic Built 1966 for the Great Northern Railway during the Index-East Gold Bar realignment
BNSF - Deer Creek Bridge[Map] Steel stringer bridge over Deer Creek on BNSF Railway Open to traffic Built 1930 by the American Bridge Co.
BNSF - North Fork Skykomish River Bridge[Map] Warren through truss bridge over North Fork Skykomish River on BNSF Railway Open to traffic Built 1961 for the Great Northern Railway during the Index-Gold Bar realignment between 1960-67
BNSF - Proctor Creek Bridge[Map · Street View] Deck plate girder bridge over Proctor Creek and Fir Road on BNSF Railway Open to traffic Built 1963 during the Index-East Gold Bar realignment
BNSF - Skykomish River Bridge[Map · Street View] Pin connected through truss bridge over Skykomish River on BNSF Railway Open to traffic Through truss built 1892 for the Great Northern Railway. Substructure and approach spans built 1962 during the Index-Gold Bar realignment
BNSF - Skykomish River Bridge[Map · Street View] Warren through truss bridge over Skykomish River on BNSF Railway Open to traffic Built 1962 for the Great Northern Railway during the Index-East Gold Bar realignment
BNSF - Sunset Falls Bridge[Map] Warren deck truss bridge over South Fork Skykomish River and Mt. Index River Road on BNSF Railway Open to traffic Built 1966 for the Great Northern Railway during the Index-East Gold Bar realignment.
BNSF - US 2 Overpass[Map · Street View] Deck plate girder bridge over US Highway 2 on BNSF Railway Open to traffic Built 1963 during the Index-East Gold Bar realignment
BNSF - US 2 Overpass[Map · Street View] Pony plate girder bridge over US Highway 2 on BNSF Railway Open to traffic Built 1963 during the Index-East Gold Bar realignment
BNSF - Wallace River Bridge[Map] Warren through truss bridge over Wallace River on BNSF Railway Open to traffic Built 1906;
BNSF - West Wallace River Bridge[Map] Warren through truss bridge over Wallace River on BNSF Railway Open to traffic Built 1920 for the Great Northern Railway
Branch Quilceda Creek Bridge[Map] Concrete arch bridge over a branch of Quilceda Creek on 143rd Place NE in Sisco Open to traffic Built 1997
Davis Slough Bridge[Map · Street View] Lost Slab bridge over Davis Slough on WA 532 Replaced by a new bridge in 2015 Built 1949; Replaced 2015
Ebey Slough Bridge[Map · Street View] Lost swing bridge over Ebey Slough on WA 529 Replaced by a new bridge Built 1927; replaced with fixed UCEB (ugly concrete eyesore bridge) in 2012
General Mark Clark Bridge[Map] Lost Deck plate girder bridge over Stillaguamish River on Sr 532 Replaced by a new bridge Built 1949; Replaced 2010
GN - Snohomish River Bridge[Map] Bridge over Snohomish River on Great Northern Railway Replaced by a new bridge Built 1893; Replaced 1910
Gn Ry Bridge[Map] Steel stringer bridge over Gn Ry on Sr 525 Open to traffic Built 1941; rehabilitated 1967
Goblin Creek Bridge[Map] Beam bridge over Goblin Creek on Forest Service Road 63 Open to traffic Built 1966; rehabilitated 2010
Howard Creek Bridge[Map] Timber stringer bridge over Howard Creek on Index-Galena Road Replaced by a new bridge Built 1976, replaced with steel girder bridge in 2017
Jordan Road Bridge[Map · Street View] One lane concrete arch bridge over Jim Creek on Jordan Road in Jordan Replaced by a new bridge Built 1914, replaced 2014
Mann Road Bridge[Map] Concrete arch bridge over Haystack Creek on Mann Road in Sultan Open to traffic Built 1991
MILW - Skykomish River Bridge[Map] Lost Warren pony truss bridge over Skykomish River on Railroad (MILW) Removed Built 1969; Removed 2005
MILW - Skykomish River Covered Bridge[Map] Through truss bridge over Skykomish River on Railroad (MILW) Replaced with steel trusses Built 1939 to replace 1911-built span 200 feet upstream; dismantled 1969 and replaced with four steel spans
Mountain Loop Highway Bridge[Map · Street View] Steel deck arch bridge over South Fork Stillaguamish River on Mountain Loop Highway in Granite Falls Open to traffic Built 1934
Mukilteo Blvd. Bridge[Map · Street View] Deck truss bridge over Merrill & Ring Creek on Mukilteo Blvd. in Everett Open to traffic Built 1931; rehabilitated 1980
NP - Ebey Slough Swing Bridge[Map] Lost Through truss bridge over Ebey Slough on Northern Pacific Railway Removed but not replaced
NP - Pilchuck River Viaduct[Map] Lost Timber stringer bridge over Pilchuck River on Northern Pacific Railway Replaced by a new bridge
O.K. Mill Road Bridge[Map] Lost Pratt truss bridge over Pilchuck River on O.K. Mill Road in Machias Replaced by a NEW THROUGH TRUSS bridge in 2005 Built 1931, Replaced 2005
O.K. Mill Road Bridge[Map · Street View] Warren through truss bridge over Pilchuck River on O.K. Mill Road in Machias Open to traffic Built 2005
Pioneer Highway Bridge[Map] Concrete arch bridge over Johnson Slough on Pioneer Highway in Silvana Open to traffic Built 1919; rehabilitated 1998
Pioneer Highway Bridge[Map] Concrete arch bridge over Thomsen Slough on Pioneer Highway in Silvana Open to traffic Built 1919; rehabilitated 2003
PNWTC - Ebey Slough Swing Bridge[Map] Lost Truss bridge over Ebey Slough on Pacific Northwest Traction Co. Removed but not replaced Built 1903; Removed ca 1921
Portage Creek Bridge[Map · Street View] Concrete arch bridge over Portage Creek on Smokey Point Boulevard. in Smokey Point Open to traffic Built 1922; rehabilitated 1972
PWNTC - Lowell Swing Bridge[Map] Lost Howe through truss bridge over Snohomish River on Pacific Northwest Traction Co. Replaced by a new bridge
Red Bridge[Map · Street View] Through truss bridge over South Fork Stillaguamish River on Mountain Loop Highway in Silverton Open to traffic Built 1954
Sauk Prairie Road Bridge[Map] Lost through truss bridge over Sauk River on Sauk Prairie Road in Darrington Lost Built 1930; rehabilitated 1981, Replaced 2009
SLS&E - Snohomish River Bridge[Map] Lost Howe deck truss bridge over Snohomish River on Seattle, Lake Shore & Eastern Railway Replaced by a new bridge Built 1888; Replaced 1910
South Riverside Road Overpass[Map] Timber stringer bridge over BNSF Railway on South Riverside Road Open to traffic Built 1966 for the Great Northern Railway to allow private community road access
South Slough Bridge[Map] Concrete arch bridge over South Slough on Smokey Point Boulevard. in Smokey Point Open to traffic Built 1918; rehabilitated 1920
Spencer Island Bridge[Map] Warren through truss bridge over Union Slough on Trail Open to pedestrians only Built 1914, moved here in 1993
Stanwood Bridge[Map] Lost Through truss bridge over Stillaguamish River on SR-532 Replaced by a new bridge Built 1909; Replaced 1950
US 2 Overpass[Map · Street View] Concrete tee beam bridge over BNSF Railroad on US 2 Open to traffic Built 1936
US2 Ebey Island Bridge (eastbound)[Map] Lost Timber stringer bridge over Ebey Island on US 2 Eastbound Replaced by a new bridge Built 1940; replaced in phases between 1993 and 2001
US2 Ebey Island Bridge (westbound)[Map] Concrete stringer bridge over Ebey Island on US 2 westbound Open to traffic Built 1968; rehabilitated in 2007 (east half) and 2010 (west half)
US2 Ebey Slough Bridge[Map] Lost Through truss bridge over Ebey Slough on US 2 Eastbound Replaced by a new bridge Built 1936; twinned in 1967-1968; replaced in 1993 as part of the replacement of the entire eastbound US 2 trestle
US2 Snohomish River Bridge (eastbound)[Map] Lost Through truss bridge over Snohomish River on US 2 Eastbound Everett Avenue Replaced by a new bridge Built 1940; replaced in 2001
Whitehorse Trail - Boulder River Bridge[Map] Pratt through truss bridge over Boulder River on Whitehorse Trail Open to pedestrians only Built Ca. 1890 at unknown location, Relocated here 1943
Whitehorse Trail - Deer Creek Bridge[Map] Pratt through truss bridge over Deer Creek on Whitehorse Trail Open to pedestrians only Built 1898 at an unknown location, relocated here 1926
Whitehorse Trail - Oso Bridge[Map · Street View] Pratt through truss bridge over N. Fork Stillaguamish River on Whitehorse Trail Open to pedestrians only Railroad Bridge Converted to trail use