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Carroll Overhead Bridge, Altamont Pass Road, Livermore, Alameda County, CA

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Carroll Overhead Bridge, Altamont Pass Road, Livermore, Alameda County, CA

description

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

date_range

Date

1969 - 1980
person

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
place

Location

create

Source

Library of Congress
copyright

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

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