Rating:
1 vote

Jersey Bridge

Sierra County, California

Photos 

Downie River Bridge

Looking NW

Photo taken by Craig Philpott in August 2010

Enlarge

BH Photo #172425

Map 

Street View 

Description 

Warren polygonal pony truss with all verticals

Facts 

Overview
Pony truss bridge over Downie River on CA 49
Location
Downieville, Sierra County, California
Status
Open to traffic
History
Built 1938; rehabilitated 1992
Builder
- Judson-Pacific Co. of San Francisco, California (Builder)
Design
Polygonal Warren pony truss with all verticals
Dimensions
Length of largest span: 120.1 ft.
Total length: 142.1 ft.
Deck width: 12.5 ft.
Recognition
Posted to the National Register of Historic Places on July 10, 2012
Also called
Downie River Bridge
Approximate latitude, longitude
+39.55991, -120.82789   (decimal degrees)
39°33'36" N, 120°49'40" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/686603/4381167 (zone/easting/northing)
Quadrangle map:
Downieville
Elevation
2885 ft. above sea level
Average daily traffic (as of 2009)
1,175
Inventory numbers
CA 13-5 (California bridge number)
NRHP 12000401 (National Register of Historic Places reference number)
BH 11554 (Bridgehunter.com ID)
Inspection report (as of June 2018)
Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 49.2 (out of 100)
View more at BridgeReports.com

Categories 

Built 1938 (879)
Built during 1930s (11,927)
California (2,662)
Corrugated deck (488)
Downieville, California (4)
Have street view (27,717)
Judson-Pacific Co. (4)
Lally columns (318)
NR-listed (2,997)
One-lane traffic (7,650)
Open (40,263)
 Owned by state (16,238)
Polygonal Warren pony truss with all verticals (67)
Polygonal Warren truss (1,081)
Pony truss (16,569)
Riveted (2,243)
Sierra County, California (15)
Span length 100-125 feet (4,461)
Total length 125-175 feet (6,037)
Truss (33,886)
Warren truss (6,732)

Update Log 

  • August 5, 2021: New photo from Geoff Hubbs
  • August 20, 2017: Updated by Christopher Finigan: Added category "Riveted"
  • August 8, 2010: Updated by Craig Philpott: added builder data and photos
  • March 16, 2010: Updated by Craig Philpott: updated design, corrected GPS data and streetview

Sources 

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Comments 

Downie River Bridge
Posted July 18, 2011, by pans4au (pans4au [at] sierramayhemjeeptours [dot] com)

This is a very picturesque bridge over the Downie River where it joins the North Yuba River. For more on Downieville where this bridge is located go to: http://www.sierramayhemjeeptours.com/downieville.html

Downie River Bridge
Posted May 5, 2010, by Chuck Morton (chuck [dot] morton [at] dot [dot] ca [dot] gov)

This bridge was painted in 2009. Looks great now.