Carroll Overhead Bridge, Altamont Pass Road, Livermore, Alameda County, CA
Summary
Significance: The Carroll Overhead Bridge is composed of 26 spans of reinforced concrete T beams, with a curvilinear alignment and superelevation. Built in 1922-1923, it is the longest bridge of its type and age in the tri-county area of Alameda, Contra Costa and Santa Clara Counties. It is one the earliest curvilinear alignment concrete bridges in California. It is associated with the careers of two locally significant engineers: P.A. Haviland and George A. Posey. It has been determined eligible for inclusion in the National Register, meeting Criteria B and C at the local level.
Survey number: HAER CA-52
Building/structure dates: 1922-1923 Initial Construction
Tags
Date
1969 - 1980
Contributors
Historic American Engineering Record, creator
Haviland, Perry A
Posey, George A
Standard Industrial Engineering Corporation
Southern Pacific Railroad
County of Alameda Public Works Agency
Snyder, John W, project manager
Location
Livermore, 37.73430, -121.67049
Source
Library of Congress
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