Recent California Updates

March 10, 2019

Lower Golden Trout Crossing Bridge (Butte County, California)
Polygonal Warren pony truss with no verticals bridge over South Fork Feather River on Old Golden Trout Crossing Road
March 10, 2019: Added by Erik Hoffman

March 7, 2019

UP - Rocklin Bridge (Placer County, California)
Pratt through truss bridge over Antelope Creek and UP BNSF Railroad on UP BNSF Railroad
March 7, 2019: Updated by Luke: Added category "Harriman Lines Common Standard Truss"

YMCA Camp Liahona Redwoods Footbridge (Sonoma County, California)
Wire suspension bridge over Wheatfield Fork Gualala River on Pedestrian trail
March 7, 2019: New Street View added by Daniel

UP - Feather River Bridge (Butte County, California)
Warren through truss with sub-panels bridge over North Fork Feather River on Railroad (UP)
March 7, 2019: New photo from Geoff Hubbs

March 6, 2019

LA&SL - Terminal Island Bridge (Los Angeles County, California)
Warren through truss bridge over Los Angeles River on Los Angeles & Salt Lake Railroad
March 6, 2019: New photo from Geoff Hubbs

Henry Ford Bridge (Los Angeles County, California)
Bridge over Cerritos Channel on Los Angles Harbor Belt Railway
March 6, 2019: New photo from Geoff Hubbs

UP - Keddie Wye Bridge (Plumas County, California)
Warren deck truss bridge over Spanish Creek on Union Pacific Railroad
March 6, 2019: New photos from Geoff Hubbs

UP - Clio Trestle (Plumas County, California)
Deck plate girder bridge over Willow Creek on Union Pacific Railroad
March 6, 2019: New photo from Geoff Hubbs

March 5, 2019

UP - Carquinez Strait Bridge (Contra Costa County, California)
Warren through truss bridge over Carquinez Strait on double track of Union Pacific Railroad in Martinez
March 5, 2019: New photos from Geoff Hubbs

March 4, 2019

Murrieta Creek Bridge (Riverside County, California)
Warren pony truss bridge over Murrieta Creek on Main Street
March 4, 2019: Added by Luke; Modern truss replaced a UCEB

February 27, 2019

Stewart Point Road Bridge (Sonoma County, California)
Abandoned timber stringer bridge over Unamed tributary Gualala River on Old Stewart Point Road
February 27, 2019: New Street View added by Daniel

February 20, 2019

Shoofly Bridge (Plumas County, California)
Abandoned Pratt through truss bridge over Indian Creek on Road
February 20, 2019: Updated by Tony Dillon: Added truss type

Shoofly Bridge (Plumas County, California)
Abandoned Pratt through truss bridge over Indian Creek on Road
February 20, 2019: New photo from Melissa Brand-Welch

Shoofly Bridge (Plumas County, California)
Abandoned Pratt through truss bridge over Indian Creek on Road
February 20, 2019: Updated by Luke: Added builder per forum comment; Noted build date per newspaper article

February 14, 2019

M Street Bridge (Sacramento County, California)
Lost Through truss bridge over Sacramento River on M Street
February 14, 2019: Updated by Leslie R Trick: Fixed Typos in description

February 7, 2019

Richmond - San Rafael Bridge (Contra Costa County, California)
Double deck cantilever truss bridge over San Pablo Bay on I-580 in Richmond
February 7, 2019: Updated by Luke: Added builders

February 5, 2019

Beachcomber Drive Bridge (San Luis Obispo County, California)
Concrete arch bridge over Beach Creek on Beachcomber Drive in Morro Bay
February 5, 2019: New Street View added by Daniel

January 30, 2019

NWP - South Fork Temporary Bridge (Humboldt County, California)
Lost Pratt through truss bridge over South Fork Eel River on Northwestern Pacific Railroad
January 30, 2019: Added by Luke

Blue Nose Bridge (Siskiyou County, California)
Lost Through truss bridge over Klamath River
January 30, 2019: New photos from Melissa Brand-Welch

January 20, 2019

Clover Creek Bridge (Tulare County, California)
Concrete arch bridge over Clover Creek on Generals Highway
January 20, 2019: New photos from Craig Philpott

Lower Tenmile Creek Bridge (Tulare County, California)
Deck truss bridge over Lower Tenmile Creek on Tenmile Road
January 20, 2019: Updated by Craig Philpott: corrected location and road name

South Fork Kaweah River Bridge (Tulare County, California)
Pony truss bridge over South Fork Kaweah River on M348
January 20, 2019: New photos from Craig Philpott

South Fork Kaweah River Bridge (Tulare County, California)
Pony truss bridge over South Fork Kaweah River on South Fork Drive in Three Rivers
January 20, 2019: New photos from Craig Philpott

Kaweah River Bridge (Tulare County, California)
Concrete arch bridge over Kaweah River on CA 198 in Three Rivers
January 20, 2019: New photos from Craig Philpott

Clover Creek Bridge (Duplicate post) (Tulare County, California)
Arch bridge over Clover Creek on Generals Highway
January 20, 2019: Updated by Craig Philpott: marked file duplicate

January 19, 2019

Old Highway 41 Bridge (San Luis Obispo County, California)
Lost Pony truss bridge over Salinas River on State Highway 41
January 19, 2019: New photo from Daniel

January 18, 2019

Old Highway 41 Bridge (San Luis Obispo County, California)
Lost Pony truss bridge over Salinas River on State Highway 41
January 18, 2019: Added by Daniel

January 14, 2019

UP - Chilcoot Tunnel (Plumas County, California)
Tunnel on Union Pacific Railroad
January 14, 2019: New photos from James Stinson

UP - Tunnel 15 (Placer County, California)
Tunnel on Union Pacific Railroad
January 14, 2019: New photos from James Stinson

UP - Tunnel 13 (Placer County, California)
Tunnel on Union Pacific Railroad
January 14, 2019: New photo from James Stinson

UP - Tunnel 1 (Placer County, California)
Tunnel on Union Pacific Railroad
January 14, 2019: New photo from James Stinson

UP - Tunnel 0 (Placer County, California)
Abandoned tunnel on Union Pacific Railroad
January 14, 2019: New photos from James Stinson

Platform Bridge (Marin County, California)
Concrete pony arch bridge over Lagunitas Creek on Sir Francis Drake Bikeway
January 14, 2019: Updated by Daniel: Bridge is open to traffic with 5 ton weight limit

January 12, 2019

Flood Road Bridge (Sonoma County, California)
Bridge over Big Sulphur Creek on Flood Road
January 12, 2019: New Street View added by Daniel

January 11, 2019

SCBG - Mission Hill Tunnel (Santa Cruz County, California)
Tunnel on Santa Cruz Big Trees and Pacific Railway (SCBG)
January 11, 2019: Updated by Luke: Added category "Bore Tunnel" & Info

SP - Big Trees Bridge (Old) (Santa Cruz County, California)
Lost Whipple through truss bridge over San Lorenzo River on Southern Pacific Railroad
January 11, 2019: Added by Luke

SC&MB - San Lorenzo River Bridge (Santa Cruz County, California)
Warren through truss bridge over San Lorenzo River on Union Pacific Railroad
January 11, 2019: Updated by Luke: Added build date; Trail to be rerouted onto dedicated footbridge

SCBG - Big Trees Bridge (Santa Cruz County, California)
Warren through truss bridge over San Lorenzo River on Santa Cruz Big Trees and Pacific Railway (SCBG)
January 11, 2019: New Street View added by Luke

Boulder Creek Bridge (Old) (Shasta County, California)
Abandoned concrete deck girder bridge over Boulder Creek on Highland Lakes Road (Old US 99)
January 11, 2019: Added by Daniel

Don Burnett Bicycle-Pedestrian Bridge (Santa Clara County, California)
Cable-stayed bridge over I280 on Pedestrian and bicycle traffic
January 11, 2019: New Street View added by Daniel

January 10, 2019

SCBG - Big Trees Bridge (Santa Cruz County, California)
Warren through truss bridge over San Lorenzo River on Santa Cruz Big Trees and Pacific Railway (SCBG)
January 10, 2019: Updated by Luke: Added category "Harriman Lines Common Standard Truss"

January 9, 2019

Oregon Creek Covered Bridge 05-58-01 (Yuba County, California)
Covered bridge over Oregon Creek on Alleghany Ridge Road at Oregon Creek Campground
January 9, 2019: New photos from Larry Matthews

SP - San Luis Obispo Turntable (San Luis Obispo County, California)
Lost Warren pony truss bridge over Pit on Southern Pacific Railroad San Luis Obispo Roundhouse
January 9, 2019: New photo from Luke

SP - Bayshore Turntable (San Mateo County, California)
Lost Warren pony truss bridge over Pit on Southern Pacific Railroad Bayshore Roundhouse
January 9, 2019: Updated by Luke: Added categories "Southern Pacific Railroad", "Harriman Lines Common Standard Turntable 0282", "Railroad"

January 5, 2019

Mineral Road Bridge (San Bernardino County, California)
Steel through arch bridge over Mojave River on Mineral Road
January 5, 2019: New photo from Dana and Kay Klein

Orange Blossom Trail - Zanja Bridge (San Bernardino County, California)
Pratt through truss bridge over The Mission Zanja on Orange Blossom Trail
January 5, 2019: Updated by Luke: Added conversion date

December 31, 2018

Woodward Island Bridge (San Joaquin County, California)
Bridge over Middle River
December 31, 2018: New photo from Daniel

Bridgeport Covered Bridge 05-29-01 (Nevada County, California)
Covered bridge over South Fork Yuba River on Pleasant Valley Road in South Yuba State Park
December 31, 2018: Updated by Will Truax: Corrected Truss Type.

December 29, 2018

UPRR-Willow Street Bridge (Santa Clara County, California)
Beam bridge over Willow Street on Caltrain & Up Rr
December 29, 2018: New Street View added by Dana and Kay Klein

Lexington Resevoir Bridge (Santa Clara County, California)
Bridge
December 29, 2018: Added by Dana and Kay Klein

Turner Cut Bridge (San Joaquin County, California)
Bridge over Turner Cut on McDonald Road
December 29, 2018: Updated by Daniel: bridge carries a local road, not Highway 4

December 28, 2018

Turner Cut Bridge (San Joaquin County, California)
Bridge over Turner Cut on McDonald Road
December 28, 2018: New Street View added by Jeff Wieland

Turner Cut Bridge (San Joaquin County, California)
Bridge over Turner Cut on McDonald Road
December 28, 2018: Updated by Daniel: bridge carries a local road, not Highway 4

December 27, 2018

Mormon Island Bridge (Sacramento County, California)
Parker through truss bridge over South Fork American River on Road
December 27, 2018: Updated by Luke: Adjusted GPS per historicaerials; Added build date+builder & corrected loss date

Mormon Island Bridge (Sacramento County, California)
Parker through truss bridge over South Fork American River on Road
December 27, 2018: New photo from Dana and Kay Klein

Old Grass Valley Highway Bridge (Placer County, California)
Open-spandrel arch bridge over Bear River on Old Grass Valley Road
December 27, 2018: New Street View added by Daniel

Bartlett Springs Road Bridge (Lake County, California)
Abandoned pratt through truss bridge over North Fork Cache Creek on Bartlett Springs Rd
December 27, 2018: New Street View added by Daniel

December 26, 2018

Platform Bridge (Marin County, California)
Concrete pony arch bridge over Lagunitas Creek on Sir Francis Drake Bikeway
December 26, 2018: New Street View added by Daniel

December 21, 2018

Whitewater River Bridge (Riverside County, California)
Concrete tee beam bridge over Whitewater River on Whitewater Cutoff
December 21, 2018: New Street View added by Luke

Whitewater River Bridge (Riverside County, California)
Concrete tee beam bridge over Whitewater River on Whitewater Cutoff
December 21, 2018: Added by Anthony J. Schoenduby

December 19, 2018

Fourth Street Bridge (San Francisco County, California)
Warren truss Bascule bridge over China Basin on Fourth Street in San Francisco
December 19, 2018: New photos from Douglas Butler

December 18, 2018

McNally's footbridge (Tulare County, California)
Wire suspension bridge over Kern River on pedestrian trail
December 18, 2018: Added by Daniel

December 17, 2018

11N74 over SOUTH FORK AMERICAN (El Dorado County, California)
Pony truss bridge over South Fork American River on 11N74
December 17, 2018: Added by Daniel

December 9, 2018

Cache Creek CR40 (Yolo County, California)
Culvert bridge over Cache Creek on C.R. #40
December 9, 2018: New photo from Daniel

December 8, 2018

Dry Channel Culvert Bridge (Butte County, California)
Culvert Bridge over Dry Channel on State Route 99
December 8, 2018: New Street View added by Anthony J. Schoenduby

Old Hwy 58 Salinas River Bridge (San Luis Obispo County, California)
Parker through truss bridge over Salinas River on Old Highway 58
December 8, 2018: New photos from Daniel

December 7, 2018

Old Hwy 58 Salinas River Bridge (San Luis Obispo County, California)
Parker through truss bridge over Salinas River on Old Highway 58
December 7, 2018: New Street View added by Luke

Old Hwy 58 Salinas River Bridge (San Luis Obispo County, California)
Parker through truss bridge over Salinas River on Old Highway 58
December 7, 2018: Updated by Christopher Finigan: Added category "Pin-connected"

December 4, 2018

NWP - Healdsburg Bridge (Sonoma County, California)
Subdivided Warren through truss bridge over Russian River on Northwestern Pacific Railroad
December 4, 2018: Updated by Luke: Added category "Harriman Lines Common Standard Truss"

South Fork San Pedro Creek Bridge (San Mateo County, California)
The South Fork San Pedro Creek Bridge is a culvert bridge that carries Oddstad Boulevard over the south fork of the San Pedro Creek.
December 4, 2018: New Street View added by Anthony J. Schoenduby

December 3, 2018

San Pedro Avenue Bridge (San Mateo County, California)
Slab bridge over San Pedro Creek on San Pedro Avenue
December 3, 2018: New Street View added by Anthony J. Schoenduby

November 28, 2018

Putah Creek Bridge (Yolo County, California)
Concrete arch bridge over Putah Creek on Railroad Street in Winters
November 28, 2018: New photo from Dana and Kay Klein

J. Robert Chapman Memorial Bridge (Solano County, California)
Pratt through truss bridge over Putah Creek on Pedestrian Walkway in Winters
November 28, 2018: New photo from Dana and Kay Klein

November 22, 2018

Big Creek Bridge (Tuolumne County, California)
Lost Bridge over Big Creek on Private road
November 22, 2018: New photos from John Cockle

CFNR - Brazos Drawbridge (Napa County, California)
Bridge over Napa River on California Northern Railroad (CFNR)
November 22, 2018: New photos from John Cockle

November 21, 2018

SP/PE - West Basin Bascule Bridge (Los Angeles County, California)
Lost Warren baltimore through truss bascule bridge over West Basin/Turning Basin on Pacific Electric Railway/Southern Pacific Railroad
November 21, 2018: New photo from Luke

November 20, 2018

PE - Santa Ana River Pegram Truss (Orange County, California)
Pegram through truss bridge over Santa Ana River Channel on Pacific Electric Railway
November 20, 2018: Updated by Luke: Updated build date

Pacific Electric Trail - Day Creek Bridge (San Bernardino County, California)
Pony/through plate girder bridge over Day Creek on Pacific Electric Trail
November 20, 2018: New Street View added by Luke

Pacific Electric Trail - Foothill Boulevard Overpass (Fontana) (San Bernardino County, California)
Pony/through plate girder bridge over Foothill Boulevard on Trail
November 20, 2018: New photo from Luke

November 18, 2018

Southern Pacific Railroad Bridge (Sacramento County, California)
Pratt through truss bridge on Display train
November 18, 2018: New Street View added by Luke

Orange Blossom Trail - Zanja Bridge (San Bernardino County, California)
Pratt through truss bridge over The Mission Zanja on Orange Blossom Trail
November 18, 2018: New Street View added by Dana and Kay Klein

Orange Blossom Trail - Zanja Bridge (San Bernardino County, California)
Pratt through truss bridge over The Mission Zanja on Orange Blossom Trail
November 18, 2018: Updated by Luke: Added stream name

Upper Feeder Pipeline Bridge (Riverside County, California)
Pratt through truss bridge over Santa Ana River on Upper Feeder Pipeline
November 18, 2018: Updated by Luke: Added build date & pipeline name; Noted city ownership; Noted seismic retrofit date

November 14, 2018

Pedestrian Bridge over Klamath River (Siskiyou County, California)
Wire suspension bridge over Klamath River on Pedestrian trail
November 14, 2018: New Street View added by Daniel

November 13, 2018

Honey Run Covered Bridge 05-04-01 (Butte County, California)
Lost covered bridge over Butte Creek on Honey Run Road
November 13, 2018: Updated by Alexander D. Mitchell IV: added exact date of destruction

November 12, 2018

Honey Run Covered Bridge 05-04-01 (Butte County, California)
Lost covered bridge over Butte Creek on Honey Run Road
November 12, 2018: New photo from Daniel

November 10, 2018

Poe Powerhouse Bridge (Butte County, California)
Pratt deck truss bridge over N Fork Feather River on Road
November 10, 2018: Updated by Erik Hoffman: Bridge damaged by Camp Fire

Jordan Hill Road Bridge (Butte County, California)
Lost Polygonal Warren pony truss with all verticals bridge over West Branch Feather River on Jordan Hill Road
November 10, 2018: Updated by Erik Hoffman: Bridge destroyed in Camp Fire

Honey Run Covered Bridge 05-04-01 (Butte County, California)
Lost covered bridge over Butte Creek on Honey Run Road
November 10, 2018: New photo from Larry Matthews

November 9, 2018

Dardanelles Bridge (Tuolumne County, California)
Lost Timber Scissors deck truss bridge over Middle Fork Stanislaus River on California Route 108
November 9, 2018: Updated by Daniel: changed "is the last" to "was the last"

Honey Run Covered Bridge 05-04-01 (Butte County, California)
Lost covered bridge over Butte Creek on Honey Run Road
November 9, 2018: Updated by Daniel: bridge lost in Camp Fire

November 8, 2018

Iron Horse Trail over Treat Blvd (Contra Costa County, California)
Steel through arch bridge over Treat Blvd on Iron Horse Trail
November 8, 2018: New Street View added by Daniel

November 3, 2018

UP - Tijiguas Trestle (Santa Barbara County, California)
Deck plate girder bridge over Arroyo Hondo Creek on Southern Pacific RR Coast Line
November 3, 2018: New Street View added by Luke

Old US101 Arroyo Hondo Bridge (Santa Barbara County, California)
Open-spandrel arch bridge over Arroyo Honda Creek on U.S. 101
November 3, 2018: New Street View added by Luke

November 2, 2018

Chalk Hill Road Bridge (Sonoma County, California)
Concrete arch bridge over Maacama Creek on Chalk Hill Road
November 2, 2018: New photo from Daniel

October 29, 2018

San Pedro Avenue Bridge (San Mateo County, California)
Slab bridge over San Pedro Creek on San Pedro Avenue
October 29, 2018: Added by Anthony J. Schoenduby

October 28, 2018

Hayfork Creek Bridge (Trinity County, California)
Pratt pony truss bridge over Hayfork Creek
October 28, 2018: New Street View added by Luke

Hayfork Creek Bridge (Trinity County, California)
Pratt pony truss bridge over Hayfork Creek
October 28, 2018: Added by Daniel

October 26, 2018

Mariposa Equestrian Suspension Bridge (Los Angeles County, California)
Wire suspension bridge over Los Angeles River on Equestrian Pathway
October 26, 2018: Updated by Luke: Added build date

Canet Road-Chorro Creek Bridge (Replacement) (San Luis Obispo County, California)
Culvert bridge over Chorro Creek on Canet Road
October 26, 2018: New Street View added by Dana and Kay Klein

Bob Jones Trail Bridge (San Luis Obispo County, California)
Truss bridge
October 26, 2018: Added by Daniel

Transbay Terminal Bus Ramp (San Francisco County, California)
Cable-stayed bridge
October 26, 2018: New Street View added by Daniel

October 25, 2018

Hamilton City Bridge (Glenn County, California)
Lost vertical-lift bridge over Glenn-Colusa Canal on CA 32 at Hamilton City
October 25, 2018: New photos from Douglas Butler

October 20, 2018

China Basin Bridge (San Francisco County, California)
Pratt truss variant Bascule bridge over China Basin on Third Street in San Francisco
October 20, 2018: New photo from Douglas Butler

October 18, 2018

Rockpile Road Bridge (Sonoma County, California)
Warren Deck truss bridge over Warm Springs Creek on Rockpile Road
October 18, 2018: New video from Craig Philpott

Hauser Bridge (new) (Sonoma County, California)
Steel pony truss Arch bridge over South Fork Gualala River on Hauser Bridge Road
October 18, 2018: New Street View added by Craig Philpott

October 17, 2018

Healdsburg Avenue Bridge (Sonoma County, California)
Through truss bridge over Russian River on Healdsburg Avenue in Healdsburg
October 17, 2018: New video from Craig Philpott

NWP - Healdsburg Bridge (Sonoma County, California)
Subdivided Warren through truss bridge over Russian River on Northwestern Pacific Railroad
October 17, 2018: New video from Craig Philpott

October 16, 2018

Rockpile Road Bridge (Sonoma County, California)
Warren Deck truss bridge over Warm Springs Creek on Rockpile Road
October 16, 2018: New photos from Craig Philpott

NWP - Healdsburg Bridge (Sonoma County, California)
Subdivided Warren through truss bridge over Russian River on Northwestern Pacific Railroad
October 16, 2018: New photos from Craig Philpott

Healdsburg Avenue Bridge (Sonoma County, California)
Through truss bridge over Russian River on Healdsburg Avenue in Healdsburg
October 16, 2018: New photos from Craig Philpott

October 4, 2018

SP - Brazos Drawbridge (Old) (Napa County, California)
Lost Pratt through truss bridge over Napa River on Southern Pacific
October 4, 2018: New photo from Douglas Butler

October 1, 2018

Bidwell Bar Suspension Bridge (original 1856 bridge) (Butte County, California)
Relocated suspension bridge formerly over Feather River
October 1, 2018: New photo from Dana and Kay Klein

Upper Thermalito Bridge (Butte County, California)
Through truss bridge over Feather River
October 1, 2018: New photos from Dana and Kay Klein

South Fork San Pedro Creek Bridge (San Mateo County, California)
The South Fork San Pedro Creek Bridge is a culvert bridge that carries Oddstad Boulevard over the south fork of the San Pedro Creek.
October 1, 2018: Added by Anthony J. Schoenduby

September 30, 2018

Hauser Bridge (new) (Sonoma County, California)
Steel pony truss Arch bridge over South Fork Gualala River on Hauser Bridge Road
September 30, 2018: Added by Daniel

September 29, 2018

Sepulveda Boulevard Tunnel (Los Angeles County, California)
1929 tunnel
September 29, 2018: Updated by Luke: Added builder

LAX Taxiway C Tunnel (Los Angeles County, California)
Tunnel under Sepulveda Boulevard on Los Angeles International Airport Taxiway C
September 29, 2018: Updated by Luke: NBI merge

September 28, 2018

WP - Smith Canal Bridge (San Joaquin County, California)
Pratt through truss stringer bridge crosses Smith Canal on Western Pacific Railroad
September 28, 2018: Updated by Luke: Corrected type, location, and railroad

CFNR - Brazos Drawbridge (Napa County, California)
Bridge over Napa River on California Northern Railroad (CFNR)
September 28, 2018: Updated by Luke: Added build date

Ford Avenue Navy Temorary Bridge (Los Angeles County, California)
Cable-stayed bridge over Cerritos Channel on California 47
September 28, 2018: Added by Douglas Butler

SP - Brazos Drawbridge (Old) (Napa County, California)
Lost Pratt through truss bridge over Napa River on Southern Pacific
September 28, 2018: Added by Douglas Butler

SP - Napa River Bridge (Older) (Napa County, California)
Bridge over Napa River on Southern Pacific
September 28, 2018: Added by Douglas Butler

WP - Smith Canal Bridge (San Joaquin County, California)
Pratt through truss stringer bridge crosses Smith Canal on Western Pacific Railroad
September 28, 2018: New photo from Douglas Butler

Sixth Street Bridge (San Francisco County, California)
Lost Pratt through truss bridge over Mission Creek (China Basin) on Sixth Street
September 28, 2018: New photo from Douglas Butler

Mare Island Bridge (1st) (Solano County, California)
Lost Bridge over Napa River on Road
September 28, 2018: New photo from Douglas Butler

September 25, 2018

"I" Street Bridge (Yolo County, California)
Swing bridge over Sacramento River, carries railroad tracks and "I" Street in West Sacramento
September 25, 2018: New photo from Douglas Butler

Mare Island Bridge (3rd) (Solano County, California)
Bridge over Napa River on G Street
September 25, 2018: Updated by Luke: Corrected dates: This bridge was built in 1980; Not 1934

Mare Island Bridge (2nd) (Solano County, California)
Lost Deck plate girder bridge over Mare Island Strait on Mare Island Shipyard RD w RR
September 25, 2018: Updated by Luke: Corrected dates per image

Mare Island Bridge (1st) (Solano County, California)
Lost Bridge over Napa River on Road
September 25, 2018: Added by Luke

Mare Island Bridge (2nd) (Solano County, California)
Lost Deck plate girder bridge over Mare Island Strait on Mare Island Shipyard RD w RR
September 25, 2018: New photo from Douglas Butler

September 22, 2018

Grand Street Bridge (Stanislaus County, California)
Concrete arch bridge over Dry Creek on Grand Street in Modesto
September 22, 2018: New photo from Dana and Kay Klein

September 13, 2018

J. Robert Chapman Memorial Bridge (Solano County, California)
Pratt through truss bridge over Putah Creek on Pedestrian Walkway in Winters
September 13, 2018: New photo from Dana and Kay Klein

Putah Creek Bridge (Yolo County, California)
Concrete arch bridge over Putah Creek on Railroad Street in Winters
September 13, 2018: New photo from Dana and Kay Klein

September 9, 2018

Carquinez Straits Bridge (1927) (Contra Costa County, California)
Lost cantilevered through truss bridge over Carquinez Straits on Lincoln Highway, later I-80 Westbound Lanes in Vallejo
September 9, 2018: New photos from Dana and Kay Klein

September 8, 2018

SN - Chabot Road Overpass (Alameda County, California)
Lost Deck plate girder bridge over Chabot Road on Sacramento Northern Railway
September 8, 2018: New photo from Luke

September 3, 2018

Bartlett Springs Road Bridge (Lake County, California)
Abandoned pratt through truss bridge over North Fork Cache Creek on Bartlett Springs Rd
September 3, 2018: New video from Craig Philpott

August 30, 2018

Western States Trail Swinging Bridge (Placer County, California)
Wire suspension bridge over North Fork of the Middle Fork of the American River on Western States Trail
August 30, 2018: Added by Daniel

August 27, 2018

Newhall Tunnel (Los Angeles County, California)
Abandoned tunnel on Sierra Highway
August 27, 2018: Added by Luke

UP - San Fernando Tunnel (Los Angeles County, California)
Tunnel on Union Pacific Railroad
August 27, 2018: Added by Luke

Yellow Bank Creek Tunnel (Santa Cruz County, California)
Tunnel under Yellow Bank Creek on CA 1 & Union Pacific Railroad (Nee Southern Pacific) and Ocean Shore Railroad
August 27, 2018: Added by Luke

Presidio Parkway Main Post Tunnel (WB) (San Francisco County, California)
Tunnel on US101
August 27, 2018: New Street View added by Luke

Presidio Parkway Main Post Tunnel (EB) (San Francisco County, California)
Tunnel on US101
August 27, 2018: New Street View added by Luke

I5-CA14 Split Tunnel (Los Angeles County, California)
Tunnel under the 5-14 split
August 27, 2018: Updated by Luke: Added category "Cut-And-Cover Tunnel"

Presidio Parkway Battery Tunnel (WB) (San Francisco County, California)
Tunnel through hillside on CA 101/ Presido Pkwy
August 27, 2018: Updated by Luke: Added category "Cut-And-Cover Tunnel"

Presidio Parkway Battery Tunnel (EB) (San Francisco County, California)
Tunnel through hillside on CA 101SB
August 27, 2018: Updated by Luke: Added category "Cut-And-Cover Tunnel"

PE - Belmont Tunnel (Los Angeles County, California)
Abandoned tunnel on Railroad (PE)
August 27, 2018: Updated by Luke: Added categories "Bore Tunnel", "Cut-And-Cover Tunnel"

BART/SF Muni - Market Street Subway (San Francisco County, California)
Tunnel on Bay Area Rapid Transit & San Francisco Municipal Railway
August 27, 2018: Updated by Luke: Added builders and noted tunnel types

SN - Redwood Peak Tunnel (Alameda County, California)
Abandoned tunnel trhough Shepherd/Redwood Canyon on Sacramento Northern Railway
August 27, 2018: Updated by Luke: Added category "Bore Tunnel"

SF Muni - Twin Peaks Tunnel (San Francisco County, California)
Tunnel on San Francisco Municipal Railway
August 27, 2018: Updated by Luke: Added builder and tunnel type

August 26, 2018

Fullerton Creek Suspension Footbridge (Orange County, California)
Wire suspension bridge over Fullerton Creek on Footpath
August 26, 2018: New Street View added by Luke

Randolph Collier Tunnel (Del Norte County, California)
Tunnel under Oregon Mountain on US 199
August 26, 2018: New photo from Josh Schmid

August 25, 2018

Pudding Creek Bridge (Mendocino County, California)
Timber stringer bridge over Pudding Creek on California State Park Trail in Fort Bragg
August 25, 2018: New photos from Craig Philpott

Jack Peters Creek Bridge (Mendocino County, California)
Concrete stringer bridge over Jack Peters Creek on State Route 1
August 25, 2018: New photos from Craig Philpott

Noyo River Bridge (2005) (Mendocino County, California)
Concrete stringer bridge over Noyo River & Harbor Dr on State Route 001 in Fort Bragg
August 25, 2018: New photo from Craig Philpott

Tunnel Log (San Joaquin County, California)
Tunnel/Tree over Road
August 25, 2018: New photos from Josh Schmid

Golden Gate Bridge (San Francisco County, California)
Suspension bridge over San Francisco Bay on US 101 at San Francisco
August 25, 2018: New photos from Josh Schmid

August 21, 2018

Dardanelles Bridge (Tuolumne County, California)
Lost Timber Scissors deck truss bridge over Middle Fork Stanislaus River on California Route 108
August 21, 2018: New photo from Daniel

August 20, 2018

SMART - Haystack's Landing Bridge (New) (Sonoma County, California)
Warren through truss bridge over Petaluma River on Sonoma-Marin Area Rail Transit
August 20, 2018: Updated by Luke: Corrected builder