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Description
Views 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 1 (1994-0002). Contextual aerial view of bridge in setting, from upstream, view to northwest. CA-132-1 -- view 2 (1994-0003). Contextual aerial view of bridge in setting, from upstream, view to west. CA-132-2 -- view 3 (1994-0004). Contextual aerial view of bridge in setting, from downstream, view to northeast. CA-132-3 -- view 4 (1994-0005). Contextual aerial view of bridge in setting, from downstream, view to southeast. CA-132-4 -- view 5 (1994-0006). Contextual view of bridge in setting, from upstream, view to west-northwest. CA-132-5 -- view 6 (1994-0007). Contextual view of bridge in setting, from downstream, view to east. CA-132-6 -- view 7 (1994-0008). Upstream elevation, view to east. CA-132-7 -- view 8 (1994-0009). Oblique view of upstream elevation, view to west-northwest. CA-132-8 -- view 9 (1994-0010). Oblique view of upstream elevation, view to northwest. CA-132-10 -- view 10 (1994-0011). Oblique view of upstream elevation from stream level, view to northwest. CA-132-10 -- view 11 (1994-0012). Downstream elevation, view to east-southeast. CA-132-11 -- view 12 (1994-0013). Downstream elevation, view to east-northeast. CA-132-12 -- view 13 (1994-0014). Downstream elevation, view to east-northeast. CA-132-13 -- view 14 (1994-0015). North approach, view to south. CA-132-14 -- view 15 (1994-0016). South approach, view to north. CA-a321-15 -- view 16 (1994-0017). Understructure, south abutment, approach span columns and floor beams, deck soffit; view to south. CA-132-16. 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.
Rivers--California, Northern Bridges--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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