Rating:
3 votes

NWP - Petaluma River Bridge

Photos 

Petaluma River RR bridge

Photo taken by Craig Philpott

Enlarge

BH Photo #177545

Map 

Street View 

Description 

Warren truss swing bridge with unusual truss configuration that looks to be a mix of Warren truss and Pratt truss diagonal elements.

Facts 

Overview
Warren through truss bridge over Petaluma River on Northwestern Pacific Railroad
Location
Black Point-Green Point, Sonoma County, California, and Marin County, California
Status
Open to low emission locomotives and cars carrying animal feed and lumber up north four to five times a week.
History
Built 1911;
Railroad
- Northwestern Pacific Railroad (NWP)
Design
Warren through truss swing bridge with extensive trestle approaches.
Dimensions
Length of largest span: 246.0 ft.
Total length: 1,440.0 ft.
Deck width: 18.0 ft.
Also called
Northwestern Pacific Black Point Swing Bridge
Approximate latitude, longitude
+38.11240, -122.50074   (decimal degrees)
38°06'45" N, 122°30'03" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/543766/4218403 (zone/easting/northing)
Quadrangle map:
Novato
Elevation
11 ft. above sea level
Inventory number
BH 46170 (Bridgehunter.com ID)

Update Log 

  • October 21, 2016: Updated by Christopher Finigan: Added categories "Petaluma River", "Riveted"
  • August 22, 2013: New photo from Douglas Butler
  • September 21, 2012: New photo from Jann Mayer
  • November 15, 2011: New Street View added by Daniel Hopkins
  • November 14, 2011: Updated by Nathan Holth: Added Construction Date And Updated Status
  • September 13, 2010: Added by Craig Philpott

Sources 

  • Craig Philpott - craigphilpott63 [at] gmail [dot] com
  • Nathan Holth
  • News Article
  • Daniel Hopkins - chimera [at] clovermail [dot] net
  • Jann Mayer - jannmayer [at] gmail [dot] com
  • Douglas Butler