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US 101

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Alsea Bay Bridge (Lincoln County, Oregon)
Built 1992
Steel tied arch bridge over Alsea Bay on US 101 in Waldport
Open to traffic

Arch Cape Creek Bridge (Clatsop County, Oregon)
Built 1937
Timber stringer bridge over Arch Cape Creek on US 101
Open to traffic

Arch Cape Tunnel (Clatsop County, Oregon)
Built 1937
Tunnel under Arch Cape on US 101
Open to traffic

Arroyo Quemado Bridge (Santa Barbara County, California)
Built 1917
Concrete arch bridge over Arroyo Quemado on US 101
Open to traffic

Astoria-Megler Bridge (Clatsop County, Oregon)
Built 1966
Continuous rigid-cantilever Warren through truss bridge over Columbia River on US 101 in Astoria
Open to traffic

Austins Point Half Viaduct (Clatsop County, Oregon)
Built 1933
Timber stringer bridge over Austins Point on US 101
Open to traffic

Barham Boulevard Overpass (Los Angeles County, California)
Built 1940
Concrete bridge over Hollywood Freeway (US 101) on Barham Blvd (Dark Canyon Pass Road) in Los Angeles
Open to traffic

Bello Street Bridge (San Luis Obispo County, California)
Built 1913
Through truss bridge over Pismo Creek on Bello Street in Pismo Beach
Closed to all traffic

Ben Jones Bridge (Lincoln County, Oregon)
Built 1927; Rehabilitated 2001
Concrete arch bridge over Rocky Creek on Otter Crest Loop
Open to traffic

Benbow Bridge (Humboldt County, California)
Stone road bridge that was built in 1931 as part of the Benbow Inn Resort. Bypassed by a Hwy 101 freeway bridge. Still used but a dead end.
Concrete and stone arch bridge over Eel River on Lake Benbow Drive
Open to traffic

Big Creek Bridge (Lane County, Oregon)
Built 1931
Reinforced concrete tied arch bridge over Big Creek on US 101
Open to traffic

Big Quilcene River Bridge (Jefferson County, Washington)
Built 1936
Pratt through truss bridge over Big Quilcene River on US 101 in Quilcene
Open to traffic

Bone River Bridge (Pacific County, Washington)
Built 1935; replaced by UCEB 2013
Lost timber stringer bridge over Bone River on US 101
Replaced by a new bridge

Bridge Creek Bridge (Humboldt County, California)
Built 1938
Concrete tee beam bridge over Bridge Creek on State Route 254
Open to traffic

Brush Creek Bridge (Curry County, Oregon)
Built 1998
Concrete arch bridge over Brush Creek on US 101
Open to traffic

Bullards Bridge (Coos County, Oregon)
Built 1952
Vertical lift bridge over Coquille River on US 101
Open to traffic

Calawah River Bridge (Clallam County, Washington)
Built 1938
Through truss bridge over Calawah River on US 101 in Forks
Open to traffic

Cape Creek Bridge (Lane County, Oregon)
Built 1932
Concrete arch bridge over Cape Creek on US 101
Open to traffic

Cape Creek Tunnel (Lane County, Oregon)
Built 1931
Tunnel on US 101
Open to traffic

Cape Perpetua Half-Viaduct (Lincoln County, Oregon)
Built 1931
Stringer bridge over Cape Perpetua Chasm on US 101
Open to traffic

Conde B. McCullough Memorial Bridge (Coos County, Oregon)
Built 1936, Rehabilitation 2008
Steel cantilevered through truss bridge over Coos Bay on US 101 in North Bend
Open to traffic

Confusion Hill Bypass Bridge North (Mendocino County, California)
Built 2009 to bypass slide prone alignment
Post-tensioned concrete girder bridge over South Fork Eel River on US 101
Open to traffic

Confusion Hill Bypass Bridge South (Mendocino County, California)
Built 2009 to replace landside prone hillside and viaduct
Post-tensioned concrete box girder bridge over South Fork Eel River on US 101
Open to traffic

Cooks Chasm Bridge (Lincoln County, Oregon)
Built 2003
Arch bridge over Cooks Chasm on US 101
Open to traffic

Coquille River Bridge (Coos County, Oregon)
Built 1922, Bypassed 1986, Demolished in 1993
Lost swing span bridge over Coquille River on OR-42S (Fromerly US 101) in Coquille
Removed and salvaged in 1993

Cummins Creek Bridge (Lane County, Oregon)
Built 1931, Rehab. 2001
Concrete arch bridge over Cummings Creek on US 101
Open to traffic

Deer Creek Bridge (Lincoln County, Oregon)
Built 1938, Replaced 2011.
Wooden bridge over Deer Creek on Old US 101
Replaced by a pre-stressed slab bridge in 2011.

Depoe Bay Bridge (Lincoln County, Oregon)
Built 1927
Concrete arch bridge over Depoe Bay on US 101 in Depoe Bay
Open to traffic

Dosewallips River Bridge (Jefferson County, Washington)
Built 1923; replaced 2000
Lost through truss bridge over Dosewallips River on US 101
Replaced by new bridge

Douglas Memorial Bridge (Del Norte County, California)
Built 1926, Destroyed by flooding 1964
Lost Open-spandrel arch bridge over Klamath River on old US 101
Destroyed by flood

Doyle Drive Bridge (San Francisco County, California)
Built 1936; rehabilitated 1939, replaced 2012-2013
Deck truss bridge over N1-N101, Lincoln, Crissy on US HIGHWAY 101
Demolished 2012-2013.

Duckabush River Bridge (Jefferson County, Washington)
Built 1934 by the West Coast Construction Co.
Rainbow arch bridge over Duckabush River on US 101 in Brinnon
Open to traffic

Eel River Bridge (Humboldt County, California)
Built 1941; rehabilitated 1989
Through truss bridge over Eel River on US 101 in Rio Dell
Open to traffic

Eel River Bridge (Humboldt County, California)
Built 1941
Cantilevered K type through truss bridge over Eel River & NWP Railroad on CA 283 in Rio Dell
Open to traffic

Eel River Viaduct (Mendocino County, California)
Abandoned concrete stringer bridge over Sidehill on Old Hwy 101
Abandoned

Elk Creek Bridge (Humboldt County, California)
Built 1940
Concrete tee beam bridge over Elk Creek on State Route 254
Open to traffic

Elkhorn Creek Bridge (Pacific County, Washington)
Built 1929
Concrete tee beam bridge over Elkhorn Creek on US 101
Open to traffic

Elwha River Bridge (Clallam County, Washington)
Built 1926; rehabilitated 1959
Concrete arch bridge over Elwha River on US 101
Open to traffic

Eureka Slough Bridge (Humboldt County, California)
Built 1943; rehabilitated 2001
Pratt pony truss bridge over Eureka Slough on US 101 in Eureka
Open to traffic

Fort Columbia Tunnel (Pacific County, Washington)
Built 1932
Tunnel on US 101
Open to traffic

Gaviota Creek Bridge (Santa Barbara County, California)
Built 1931
Concrete arch bridge over Gaviota Creek on US 101
Open to traffic

Golden Gate Bridge (San Francisco County, California)
Built 1937
Suspension bridge over San Francisco Bay on US 101 at San Francisco
Open to traffic

Hamma Hamma River Bridge North (Mason County, Washington)
Built 1924
Rainbow arch bridge over Hamma Hamma River on US 101
Open to traffic

Hamma Hamma River Bridge South (Mason County, Washington)
Built 1924
Rainbow arch bridge over Hamma Hamma River on US 101
Open to traffic

Haynes Inlet Bridge (Coos County, Oregon)
Built 2001
Arch bridge over Haynes Inlet Slough (Coos Bay) on US 101
Open to traffic

Hoh River Bridge (Jefferson County, Washington)
Built 1931
Deck truss bridge over Hoh River on US 101
Open to traffic

Hollywood Freeway Overpass (Los Angeles County, California)
Built 1952
Concrete arch bridge over Holly Drive on US 101 in Los Angeles
Open to traffic

Hoquiam River Bridge (Grays Harbor County, Washington)
Built 1928; rehabilitated 1948
Bascule bridge over Hoquiam River on US 101 in Hoquiam
Open to traffic

Hoquiam River Bridge (Riverside Avenue Bridge) (Grays Harbor County, Washington)
Built 1970
Vertical lift bridge over Hoquiam River on US 101 in Hoquiam
Open to traffic

Humptulips River Bridge (Grays Harbor County, Washington)
Built 1950
Through truss bridge over Humptulips River on US 101 in Humptulips
Open to traffic

Irwin Creek Bridge (Marin County, California)
Built 1895; rehabilitated 1987
Concrete arch bridge over Irwin Creek on US 101 in San Rafael
Open to traffic

Isaac Lee Patterson Bridge (Curry County, Oregon)
Built 1930
Concrete arch bridge over Rogue River on US 101 in Gold Beach
Open to traffic

Jorgenson Slough Bridge (Pacific County, Washington)
Built 1939
Timber stringer bridge over Jorgenson Slough on US 101
Open to traffic

Lake Lytle Outlet Bridge (Tillamook County, Oregon)
Built 1938
Wooden bridge over Lake Lytle Outlet on US 101
Open to traffic

Lewis & Clark River Bridge (Clatsop County, Oregon)
Built 1924, West approach replaced 2015
Bascule lift bridge over Lewis & Clark River on Business US 101
Open to traffic

Mad River Bridge (Humboldt County, California)
Built 1929; rehabilitated 1959
Lost Warren through truss bridge over Mad River on US 101 in McKinleyville


Middle Nemah River Bridge (Pacific County, Washington)
Built 1939; removed 2013
Lost timber stringer bridge over Middle Nemah River on US 101
Replaced by a new bridge

Mulholland Drive Viaduct (Los Angeles County, California)
Built 1940
Concrete tee beam bridge over Hollywood Freeway (US 101) on Mulholland Drive in Los Angeles
Open to traffic

Myers Creek Bridge (Curry County, Oregon)
Built 1924
Concrete tee beam bridge over Myers Creek on Meyers Creek Road (Old US 101)
Open to traffic

Neahkahnie Mountain Bridge (Tillamook County, Oregon)
Built 1937
Girder bridge over Neahkahnie Mountain Chasm on US 101
Open to traffic

Neawanna Creek Bridge (Clatsop County, Oregon)
Built 1930
Concrete deck girder bridge over Neawanna Creek on U.S. 101 in Seaside
Open to traffic

Necarney Creek Bridge (Tillamook County, Oregon)
Built 1937
Steel stringer bridge over Necarney Creek on US 101
Open to traffic

North Bend Overcrossing (Coos County, Oregon)
Built 1935
Concrete tee beam bridge over Coos Bay Rail Link on US 101
Open to traffic

Ohman Creek Bridge (Humboldt County, California)
Built 1939
Concrete tee beam bridge over Ohman Creek on State Route 254
Open to traffic

Old Smith Point Bridge (Humboldt County, California)
Built 1934
Deck girder bridge over South Fork Eel River on Benbow Drive


Redwood Creek Bridge (Humboldt County, California)
Replaced unknown year, current bridge installed 1988.
Lost Pratt through truss bridge over Redwood Creek on US HIGHWAY 101
Replaced by new bridge

Reinhart Creek Bridge (Curry County, Oregon)
Built 1954
Warren deck truss bridge over Rinehart Creek on US 101
Open to traffic

Rincon Hill Road Bridge (Santa Barbara County, California)
Built 1915
Concrete arch bridge over Rincon Creek on Rincon Hill Road
Open to traffic

Russian River Bridge (Mendocino County, California)
Built 1933
Through truss bridge over Russian River on US 101
Open to traffic

Santa Ynez River Bridge (Santa Barbara County, California)
Built 1918
Lost Pratt through truss bridge over Santa Ynez River on US 101
Replaced by a new bridge

Siuslaw River Bridge (Lane County, Oregon)
Built 1936; rehabilitated 1977, Rehabilitated 2010
Bascule bridge over Siuslaw River on US 101 in Florence
Open to traffic

Skiberene Bridge (Clatsop County, Oregon)
Built 1930
Concrete deck girder bridge over Necanicum River on U.S. 101/U.S. 26
Open to traffic

Skokomish River Bridge (Mason County, Washington)
Built 1932
Pennsylvania through truss bridge over Skokomish River on US 101 in Skokomish
Open to traffic

Smith Creek Bridge (Pacific County, Washington)
Built 1929
Concrete tee beam bridge over Smith Creek on US 101
Open to traffic

Smith River Bridge (Del Norte County, California)
Built 1940
Deck plate girder bridge over Smith River on US 101
Open to traffic

Sol Duc River Bridge (Clallam County, Washington)
Built 1941
Through truss bridge over Sol Duc River on US 101
Open to traffic

Sol Duc River Bridge (Clallam County, Washington)
Built 1941
Through truss bridge over Sol Duc River on US 101
Open to traffic

Sol Duc River Bridge (Clallam County, Washington)
Built 1948
Through truss bridge over Sol Duc River on US 101
Open to traffic

Sol Duc River Bridge (Clallam County, Washington)
Built 1948
Through truss bridge over Sol Duc River on US 101
Open to traffic

Sol Duc River Bridge (Clallam County, Washington)
Built 1958
Through truss bridge over Sol Duc River on US 101
Open to traffic

Spencer Creek Bridge (Lincoln County, Oregon)
Built 2008
Arch bridge over Spencer Creek on US 101
Open to traffic

Tahkenitch Creek Bridge (Douglas County, Oregon)
Built 1929
Concrete tee beam bridge over Tahkenitch Creek on U.S. 101
Open to traffic

Tenmile Creek Bridge (Lane County, Oregon)
Built 1931
Rainbow arch bridge over Tenmile Creek on US 101
Open to traffic

Thomas Creek Bridge (Curry County, Oregon)
Built 1961
Continuous Warren deck truss bridge over Thomas Creek on US 101
Open to traffic

Tide Slough Bridge (Pacific County, Washington)
Built 1939
Slab bridge over Tide Slough on US 101
Open to traffic

Umpqua River Bridge (Douglas County, Oregon)
Built 1936
Swing bridge over Umpqua River on US 101 in Reedsport
Open to traffic

UP - US 101 Overpass (Ventura County, California)
Built 1961
Continuous 2-span Warren through truss bridge over US 101 on the Union Pacific Railroad in San Buenaventura
Open to traffic

US 101 NB - Lemon St. Bridge (Ventura County, California)
Built 1961
Beam bridge over UPRR, Amtrak, & Lemon on US 101 NB
Open to traffic

US 101 SB - Lemon St. Bridge (Ventura County, California)
Built 1961
Beam bridge over UPRR, Amtrak, & Lemon on US 101 SB
Open to traffic

US101 - Salmon Creek Bridge (Grays Harbor County, Washington)
Built 1929; rehabilitated 1956
Concrete tee beam bridge over Salmon Creek on US 101
Open to traffic

US101 Chehalis River Bridge (Grays Harbor County, Washington)
Built 1955
Warren deck truss bascule bridge over Chehalis River on US 101 in Aberdeen
Open to traffic

Van Duzen River Bridge (Humboldt County, California)
Built 1925, Replaced 1996
Lost Open-spandrel arch bridge over Van Duzen River on U.S. 101
Replaced by new bridge in 1996

Waldo Tunnel (Marin County, California)
Built 1937, Second bore added, 1954
Tunnel on US HIGHWAY 101
Open to traffic

West Beaver Creek Bridge (Tillamook County, Oregon)
Built 1914, Widened 1935
Concrete arch bridge over West Beaver Creek on US 101
Open to traffic

Wilson River Bridge (Tillamook County, Oregon)
Built 1931
Reinforced concrete tied arch bridge over Wilson River on US 101
Open to traffic

Yaquina Bay Bridge (Lincoln County, Oregon)
Built 1934
Steel through arch bridge over Yaquina Bay on US 101 in Newport
Open to traffic

Youngs Bay Bridge (Clatsop County, Oregon)
Built 1921
Bascule lift bridge over Youngs Bay on US 101 Bus.
Open to traffic

Youngs Bay Bridge (New) (Clatsop County, Oregon)
Built 1964
Vertical lift bridge over Youngs Bay on US 101 in Astoria
Open to traffic

Zaca Creek Bridge No. 1 (Santa Barbara County, California)
Built 1916
Concrete tee beam bridge over Zaca Creek on Jonata Park Road
Open to traffic

Zaca Creek Bridge No. 2 (Santa Barbara County, California)
Built 1916, lost circa 2010
Concrete tee beam bridge over Zaca Creek on Jonata Park Road
Replaced by new bridge sometime around 2010