Bridges / Structures

Extensive experience in the construction of bridges and above (or below) ground structures, including bridge rehabilitation.  The below sample Projects exemplify the capabilities of MITCHELL ENGINEERING.

 

Projects and Information

SEISMIC RETROFIT AND REHABILITAION OF THE PETER R. MALONEY BRIDGE
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Peter R. Maloney Bridge

San Francisco, California
Originally built in 1916 by Mr. Strauss –who designed and built the Golden Gate Bridge, the project consisted, in general, of earthquake retrofitting and rehabilitating the historic Peter R. Maloney Bridge (Bridge No. 34C-0027) in San Francisco, California.  Other work included rehabilitating and replacing mechanical and electrical operating machinery, and constructing new light rail trackwork including associated overhead catenary and traction electrification system.
Owner:  City and County of San Francisco, Department of Public Works
Contract Amount:  $22 million (all inclusive)

SOUTH FORK BRIDGE
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South Fork Bridge and Road Repairs

Tuolumne County, California
Project consisted of the construction a new (prefabricated) bridge along the North side of the South Fork Tuolumne River including construction of new abutments, concrete retaining walls and stone masonry walls, and removal and disposal of existing concrete piers and foundations.  This project was environmentally sensitive.
Owner:  San Francisco Public Utilities Commission (Hetch Hetchy Water and Power)
Contract Amount:  $2.3 million (all inclusive)

HIGHWAY 50
PLACERVILLE OPERATIONAL IMPROVEMENTS
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Highway 50 Placerville Operational Improvements

Placerville, California
Project consisted of the widening of Highway 50 in an effort to reduce congestion in the City of Placerville. Related work included the construction of a new bridge over Hangtown Creek, widening of existing City bridges and streets, bridge replacement, concrete barrier rail, signs, traffic signals, highway lighting and the relocation of City of Placerville public utilities.
Owner:  California Department of Transportation (Caltrans)
Contract Amount:  $35 million (all inclusive)