Gianella Bridge, Spanning Sacramento River at State Highway 32, Hamilton City, Glenn County, CA
Summary
Significance: The Gianella Bridge is the oldest remaining highway swing bridge in California. It is important in local history for its relation to events in local economic and agricultural development. It is the work of John B. Leonard, one of the most important early 20th century bridge engineers. It was listed on the National Register of Historic Places in 1982.
Survey number: HAER CA-44
Building/structure dates: 1908-1911 Initial Construction
Building/structure dates: 1937 Subsequent Work
Building/structure dates: 1954 Subsequent Work
National Register of Historic Places NRIS Number: 82004614
Tags
swing bridges
sugar industry
transportation engineering
bridge construction
inspection
vehicular bridges
steel truss bridges
pratt trusses
concrete abutments
concrete piers
transportation
california
gianella
bridge
gianella bridge
sacramento
sacramento river
highway
state highway
hamilton
hamilton city
glenn county
california department of transportation
cotton brothers
vincenzo gianella
historic american engineering record
john buck leonard
john w snyder
jean p yearby
photo
ultra high resolution
high resolution
library of congress
national register of historic places
Date
1969 - 1980
Contributors
Historic American Engineering Record, creator
Leonard, John Buck
California Department of Transportation
Gianella, Vincenzo
Cotton Brothers
Yearby, Jean P, transmitter
Snyder, John W, project manager
Location
california
,
39.74599, -122.01404
Source
Library of Congress
Link
Copyright info
No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html