SFO Bay Bridge West Span Bicycle/Pedestrian Pathway:
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Lighting:
Low level fixtures that illuminate the pathway surface will be installed in each railing
bollard. Decorative lampposts will be located at each belvedere to distinguish them as
resting areas along the dual pathways. They will impart a
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sculptural presence during the day, while providing
illumination at night. These lampposts will also be located at every 60' along the Yerba Buena Island
and San Francisco touch down areas.
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Elevators and Stairs:
The proposed stairs will be of steel fabrication and will ascend within
the recesses of the piers; thereby minimizing a visual impact on the east and west sides
of the concrete pylon structures. These new stairways will also connect the north and
south side pathways to each other on the underside of the existing roadway deck. The elevators will be on
either side of the piers (accessing both pathways) as exterior attachments to the historic bridge structure. |
Maintenance Access:
The pathway was designed to accommodate Caltrans maintenance
vehicles. This will facilitate easier inspection and routine maintenance of the bridge;
thereby helping to ease automobile congestion and providing emergency crews with easy
access to the length of the bridge span. |
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In conjunction with CH2M Hill and SC Solutions, Donald MacDonald Architects
provided the necessary design criteria and solutions to Caltrans in order to consider the social
and economic implications of the project on the Bay Area.
The responsibilities of Donald Macdonald
Architects included: coordinating the historical analysis of the existing structure, conceptual
new design, design development, computer modeling/rendering of two proposed alternatives, and
public presentations.
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