Status: Open to traffic
Location: 39.559913,-120.827893
Carries CA 49 over Downie River
Design: truss/pony/polygonal/verticals
Design Details: Polygonal Warren pony truss with all verticals
Total Length: 142.1 Feet
Span Length: 120.1 Feet
Overview: Pony truss bridge over Downie River on CA 49
History: Built 1938; rehabilitated 1992
Built: 1938
Location: Sierra County
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172425
Downie River Bridge
Looking NW
Photo taken by Craig Philpott in August 2010
172426
Downie River Bridge
Looking NW
Photo taken by Craig Philpott in August 2010
172427
Downie River Bridge
Looking NW
Photo taken by Craig Philpott in August 2010
172428
Downie River Bridge
Underside of South end of bridge
Photo taken by Craig Philpott in August 2010
172429
Downie River Bridge
Underside of South end of bridge showing seismic retrofit
Photo taken by Craig Philpott in August 2010
172430
Downie River Bridge
Looking at East face
Photo taken by Craig Philpott in August 2010
172431
Downie River Bridge
East Face
Photo taken by Craig Philpott in August 2010
172432
Downie River Bridge
New sidewalk on East side
Photo taken by Craig Philpott in August 2010
172433
Downie River Bridge
New sidewalk on East side
Photo taken by Craig Philpott in August 2010
172434
Downie River Bridge
Builders plaque
Photo taken by Craig Philpott in August 2010
172435
Downie River Bridge
Looking South
Photo taken by Craig Philpott in August 2010
172436
Downie River Bridge
Looking South
Photo taken by Craig Philpott in August 2010
172437
Downie River Bridge
Looking South
Photo taken by Craig Philpott in August 2010
172438
Downie River Bridge
Looking NE
Photo taken by Craig Philpott in August 2010
172439
Downie River Bridge
Looking South
Photo taken by Craig Philpott in August 2010
502428
Jersey Bridge
view c1950s
Photo from old postcard
Status: Open to traffic
Location: 39.563109,-120.825097
Carries East River Street over Downie River
Design: truss/pony/warren/verticals
Design Details: Warren pony truss with all verticals
Total Length: 119.1 Feet
Span Length: 78.1 Feet
Overview: Pony truss bridge over Downie River on East River Street
History: Built 1938; rehabilitated 1980
Built: 1938
Location: Sierra County
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172415
Hansen Bridge Downieville
Looking North
Photo taken by Craig Philpott in August 2010
172416
Hansen Bridge Downieville
looking North
Photo taken by Craig Philpott in August 2010
172417
Hansen Bridge Downieville
Looking North
Photo taken by Craig Philpott in August 2010
172418
Hansen Bridge Downieville
Looking NE
Photo taken by Craig Philpott in August 2010
172419
Hansen Bridge Downieville
Looking East
Photo taken by Craig Philpott in August 2010
172420
Hansen Bridge Downieville
Looking East
Photo taken by Craig Philpott in August 2010
172421
Hansen Bridge Downieville
Looking East
Photo taken by Craig Philpott in August 2010
172422
Hansen Bridge Downieville
Looking East
Photo taken by Craig Philpott in August 2010
172423
Hansen Bridge Downieville
Looking East
Photo taken by Craig Philpott in August 2010
172424
Hansen Bridge Downieville
Looking East
Photo taken by Craig Philpott in August 2010
395165
Hansen Bridge
Photo update 2017
Photo taken by Craig Philpott in May 2017
395166
Hansen Bridge
Update 2017
Photo taken by Craig Philpott in May 2017
Status: Open to traffic
Location: 39.540000,-120.885833
Carries Mountain House Road over North Fork Yuba River
Design: truss/pony/warren/verticals
Design Details: Warren Pony truss with all verticals
Total Length: 217.9 Feet
Span Length: 101.4 Feet
Overview: Warren Pony truss bridge over North Fork Yuba River on Mountain House Road
History: Built 1936; rehabilitated 1999
Built: 1936
Location: Sierra County
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172397
Mountain House Rd N Fork Yuba River
Looking South at West face.
Photo taken by Craig Philpott in August 2010
172398
Mountain House Rd N Fork Yuba River
Plaque next to bridge
Photo taken by Craig Philpott in August 2010
172399
Mountain House Rd N Fork Yuba River
Looking South at West face.
Photo taken by Craig Philpott in August 2010
172400
Looking South at West face.
Photo taken by Craig Philpott in August 2010
172401
Mountain House Rd N Fork Yuba River
Looking South at West face.
Photo taken by Craig Philpott in August 2010
172402
Mountain House Rd N Fork Yuba River
Looking South
Photo taken by Craig Philpott in August 2010
172403
Mountain House Rd N Fork Yuba River
Looking South
Photo taken by Craig Philpott in August 2010
172404
Mountain House Rd N Fork Yuba River
Looking South
Photo taken by Craig Philpott in August 2010
Status: Open to traffic
Location: 39.559620,-120.829372
Carries Nevada Street over North Fork Yuba River
Design: truss/through/pratt
Design Details: Pratt through truss with horizontal stiffening members on center section.
Total Length: 196.9 Feet
Span Length: 140.1 Feet
Overview: Pratt through truss bridge over North Fork Yuba River on Nevada Street
History: Built 1938
Built: 1938
Location: Sierra County
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172406
Nevada St Bridge Downieville
Looking NE at West face
Photo taken by Craig Philpott in August 2010
172407
Nevada St Bridge Downieville
Detail of East face
Photo taken by Craig Philpott in August 2010
172408
Nevada St Bridge Downieville
Detail
Photo taken by Craig Philpott in August 2010
172409
Nevada St Bridge Downieville
Detail of West face showing cross bracing
Photo taken by Craig Philpott in August 2010
172410
Nevada St Bridge Downieville
Looking NE
Photo taken by Craig Philpott in August 2010
172411
Nevada St Bridge Downieville
Plaque on South end.
Photo taken by Craig Philpott in August 2010
172412
Nevada St Bridge Downieville
Looking North
Photo taken by Craig Philpott in August 2010
172413
Nevada St Bridge Downieville
Looking North
Photo taken by Craig Philpott in August 2010
172414
Nevada St Bridge Downieville
Wow, a second plaque on North end.
Photo taken by Craig Philpott in August 2010
337193
Downieville Bridge
Photo taken by weirdpix
337194
Star
Photo taken by weirdpix
Status: Abandoned
Location: 39.464237,-120.838783
Carries Plumbago Road over Kanaka Creek
Design: truss/pony/pratt
Design Details: Steel Pratt pony truss with wood deck
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Abandoned Pratt pony truss bridge over Kanaka Creek on Plumbago Road
History: Bypassed 1985
Built:
Location: Sierra County
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203146
Kanaka Creek Bridge, Sierra County
Photo taken by Craig Philpott
203147
Kanaka Creek Bridge, Sierra County
Photo taken by Craig Philpott
203148
Kanaka Creek Bridge, Sierra County
Photo taken by Craig Philpott
203149
Kanaka Creek Bridge, Sierra County
Photo taken by Craig Philpott
203150
Kanaka Creek Bridge, Sierra County
Photo taken by Craig Philpott
203151
Kanaka Creek Bridge, Sierra County
Photo taken by Craig Philpott
203152
Kanaka Creek Bridge, Sierra County
Photo taken by Craig Philpott
203153
Kanaka Creek Bridge, Sierra County
Replacement bridge is a re-engineered railroad car bridge.
Photo taken by Craig Philpott
203154
Kanaka Creek Bridge, Sierra County
Replacement bridge is a re-engineered railroad car bridge.
Photo taken by Craig Philpott
Status: Open to pedestrians only
Location: 39.569790,-120.822240
Carries Former Upper Main Street over Downie River
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 100.0 Feet
Span Length: 0.0 Feet
Overview: Pratt through truss bridge over Downie River on Former Upper Main Street
History: Built 1910 by Western Bridge and Construction Company; bypassed 1986
Built: 1910
Location: Sierra County
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389656
Hospital Bridge detail
Photo taken by Craig Philpott in May 2017
389657
Hospital Bridge detail
Photo taken by Craig Philpott in May 2017
389654
Hospital Bridge
Photo taken by Craig Philpott in May 2017
389655
Hospital Bridge
Photo taken by Craig Philpott in May 2017
389653
Hospital Bridge
Built 1910, now pedestrian only use.
Photo taken by Craig Philpott in May 2017
Status: Collapsed
Location: 39.513325,-120.555968
Carries Unnamed Dirt Road over Middle Yuba River
Design: truss/pony/pratt
Design Details: Wooden Pratt pony truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Pratt pony truss bridge over Middle Yuba River on Unnamed Dirt Road
History:
Built:
Location: Sierra County
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239509
Photo taken by Aimee
239510
Photo taken by Aimee
239511
Photo taken by Aimee
Status: Open to traffic
Location: 39.416776,-120.952327
Carries Tyler Foote Crossing Road over Middle Fork Yuba River
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Deck plate girder bridge over Middle Fork Yuba River on Tyler Foote Crossing Road
History: Deck plate girder bridge replacement bridge on historic route
Built:
Location: Sierra County
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419970
Tyler foote bridge
Photo by Gair Feestir in March 2018
420119
Tyler-Foote Crossing
Photo taken by Gair Feestir, submitted by Craig Philpott in March 2018
420120
Tyler-Foote Crossing
Photo taken by Gair Feestir, submitted by Craig Philpott in March 2018
420121
Tyler-Foote Crossing
Photo taken by Gair Feestir, submitted by Craig Philpott in March 2018
Status: Open to traffic
Location: 39.692401,-120.927823
Carries Port Wine Ridge Rd over Cedar Grove Ravine
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 27.6 Feet
Span Length: 24.9 Feet
Overview: Steel stringer bridge over Cedar Grove Ravine on Port Wine Ridge Rd
History: Built 1975
Built: 1975
Location: Sierra County
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Status: Open to traffic
Location: 39.464406,-120.838814
Carries Plumbago Road over Kanaka Creek
Design: girder/deck/plate
Design Details: Railroad flatcar deck girder bridge
Total Length: 95.1 Feet
Span Length: 78.1 Feet
Overview: Deck plate girder bridge over Kanaka Creek on Plumbago Road
History: Built 1985
Built: 1985
Location: Sierra County
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Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S - Dismantled and/or in storage. L - Severe loss of historic integrity due to alteration.
