Please contact the contributing institution for more information regarding the copyright status of this object.
Description
Photographic reproductions of original drawings 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. View 22 (1994-0023). General drawing of proposed three hinged arch bridge at Parks Bar Crossing over the Yuba River, Yuba County Cal., Thomas System, Thomas & Post, Consulting Engrs, Hibernian Building, Los Angeles, Aug. 3, 1912. CA-132-22 -- view 23 (1994-0024). General drawing of proposed three hinged arch bridge at Parks Bar Crossing over the Yuba River, Yuba County Cal., Thomas System, Thomas & Post, Consulting Engrs, Hibernian Building, Los Angeles, Oct. 18, 1912 and marked revised Oct. 22, 1912. CA-132-23 -- view 24 (1995-0025). Plan and profile of layout, Parks Bar Bridge, V.W. Willits, Asst. Eng., Oct. 4, 1912, Thomas and Post, Consulting Engineers, Hibernian Building, Los Angeles. CA-132-24 -- view 25 (1994-0026). Details-Transverse sections for three hinged arch bridge over Yuba River at Parks Bar, Thomas System, Thomas and Post - consulting engineers-Los Angeles. CA-132-25 -- view 26 (1994-0027). Longitudinal section at one side of central beam, dated 1912. CA-132-26 -- view 27 (1994-0028). Details of crown and abutment hinges for three hinged arch bridge over Yuba River, Thomas System, Thomas and Post, Engineers, Hibernian Bldg., Los Angeles. CA-132-27 -- view 28 (1994-0029). Details of abutments for three hinged arch bridge over Yuba River. March 31, 1913. CA-132-28 -- view 29 (1994-0030). Details of piers for three hinged arch bridge over Yuba River. Revised Oct. 22, 1912. CA-132-29 --view 30 (1994-0031). Details of caisson for piers for three hinged arch bridge over Yuba River. Revised Oct. 22, 1912. CA-132-30 -- view 31 (1994-0032). Details for three hinged arch bridge over Yuba River. Revised Oct. 22, 1912. CA-132-31. 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
10 photographic prints ; 8 x 10 in.
Identifier
(C)001499624CSL01-Aleph
Language
English
Subject
Rivers--California, Northern Bridges--California--Yuba River Plans 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.)
If you're wondering about permissions and what you can do with this item, a good starting point is the "rights information" on this page. See our terms of use for more tips.
Share your story
Has Calisphere helped you advance your research, complete a project, or find something meaningful? We'd love to hear about it; please send us a message.
