California State Library > California History Section Picture Catalog > Parks Bar Bridge (Yuba River Bridge), California State Highway 20 spanning the Yuba River, Smarville vicinity, Yuba County, California (7 views)

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Title
Parks Bar Bridge (Yuba River Bridge), California State Highway 20 spanning the Yuba River, Smarville vicinity, Yuba County, California (7 views)
Contributor
Parks, Bonnie Wehle
William and Post
Historic American Engineering Record
Date Created and/or Issued
1991
Contributing Institution
California State Library
Collection
California History Section Picture Catalog
Rights Information
Please contact the contributing institution for more information regarding the copyright status of this object.
Description
Photographic reproductions of original (1912) photographs of the Parks Bar Bridge on State Highway 20 crossing the Yuba River near Smartsville, Yuba County. Example of the Thomas System of pre-cast, reinforced concrete, three-hinged arch bridges. Design and method of bridge construction was patented by William M. Thomas during his association with W. S. Post in their Los Angeles engineering firm of Thomas and Post. Original photographs located in Yuba County Library.
View 48 (1994-0049). Placing deck reinforcement, view to north. CA-132-48 -- view 49 (1994-0050). Bridge nearing completion, view to north-northeast from near south abutment. CA-132-49 -- view 50 (1994-0051). Bridge nearing completion, pier 2 at right center, pier 1 at left center, north abutment at left; view to northeast. CA-132-50 --view 51 (1994-0052). Bridge nearing completion, note formwork for deck cantilever, south abutment; view to east. Note lack of connection to roadway at right. CA-132-51 --view 52 (1994-0053). Bridge nearing completion, view to north-northwest from south abutment. Note construction tent camp in background, and edge of bridge without connection to roadway in foreground. CA-132-52 --view 53 (1994-0054). Bridge nearing completion, view to northwest from near south abutment. CA-132-53 --view 54 (1994-0055). Bridge nearing completion, oblique view to downstream elevation; view to southeast. CA-132-54.
Accompanied by: Parks Bar Bridge (Yuba River Bridge), California State Highway 20 spanning the Yuba River, Smarville vicinity, Yuba County, California : photographs, written historical and descriptive data. San Francisco, Calif. : Historic American Engineering Record, National Park Service, Western Region, Dept. of the Interior, 1993. Report prepared by Bonnie Wehle Parks. [6], 14 p. ; 28 cm. HAER No. CA-132.
Type
image
Format
Photographs.
Nonprojected graphic
Extent
7 photographic prints ; 8 x 10 in.
Identifier
(C)001499661CSL01-Aleph
Language
English
Subject
Rivers--California, Northern
Bridges--California--Yuba River
Bridge construction--California--Yuba River
Yuba River (Calif.)--Photographs
Parks Bar Bridge (Yuba County, Calif.)--Photographs
Photographic prints
Aerial views
Place
California, Northern
California
Yuba River
Yuba River (Calif.)
Parks Bar Bridge (Yuba County, Calif.)

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