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Blackpoint Bridge

Marin County, California, and Sonoma County, California

Photos 

Blackpoint Bridge

California Drawbridges (Bernard C. Winn)

Photo taken by Douglas Butler in March 2013

Enlarge

BH Photo #284296

Map 

Description 

This bridge was built by the Strauss Engineering Co this bridge was operated by two equal towers.

Facts 

Overview
Lost Baltimore through truss bridge over Petaluma Creek on CA 37
Location
Black Point-Green Point, Marin County, California, and Sonoma County, California
Status
Replaced by a new bridge
History
Built 1917; Replaced 1958
Builders
- California Highway Commission
- Strauss Bascule Bridge Co. of Chicago, Illinois
Design
Baltimore through truss bascule
Dimensions
Total length: 150.0 ft.
Approximate latitude, longitude
+38.11563, -122.50512   (decimal degrees)
38°06'56" N, 122°30'18" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/543380/4218759 (zone/easting/northing)
Quadrangle map:
Novato
Inventory number
BH 61081 (Bridgehunter.com ID)

Categories 

Baltimore through truss (284)
Baltimore truss (313)
Bascule (1,027)
Black Point-Green Point, California (3)
Built 1917 (597)
Built during 1910s (8,968)
California (2,152)
California Highway Commission (2)
Lost (19,757)
Lost 1958 (53)
 Lost during 1950s (418)
Marin County, California (42)
Movable (2,738)
Replaced by new bridge (13,082)
Sonoma County, California (77)
Strauss Bascule Bridge Co. (170)
Through truss (13,184)
Total length 125-175 feet (5,387)
Truss (29,885)

Update Log 

  • October 1, 2016: New photo from Dave King
  • February 1, 2016: New photos from Douglas Butler
  • May 27, 2014: Added by Douglas Butler

Sources 

  • Douglas Butler
  • Dave King - DKinghawkfan [at] hotmail [dot] com

Comments 

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