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Carroll Overhead Bridge
Description
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. from HAER notes
Facts
- Overview
- Lost Concrete stringer bridge over Southern Pacific Railroad on Altamont Pass Road
- Location
- Alameda County, California
- Status
- Removed but not replaced
- History
- Built 1923
- Builders
- - George A. Posey of Berkley, California (Design)
- Perry A. Haviland of Fort Dodge, Iowa (Design)
- Standard Industrial Engineering Corp (Contractor)
- Railroad
- - Southern Pacific Railroad (SP)
- Design
- Concrete stringer
- Approximate latitude, longitude
- +37.72258, -121.67822 (decimal degrees)
37°43'21" N, 121°40'42" W (degrees°minutes'seconds")
- Approximate UTM coordinates
- 10/616487/4175858 (zone/easting/northing)
- Inventory number
- BH 91552 (Bridgehunter.com ID)
Update Log
- December 21, 2020: Updated by Luke: Added builders
- December 21, 2020: New photos from Geoff Hubbs