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The team that built the Pacifi c Coast Highway Pedestrian Bridge had to navigate traffi c issues, public aesthetics and soil management in order to craft an awardwinning project. The $3-million bridge is designed to allow pedestrians to cross over Pacifi c Coast Highway to Doheny State Beach, limit traffi c congestion and serve as a gateway to the city. Related Links: Best of California 2009 The bridge is a variable-depth, single span precast concrete girder structure but the soil conditions presented a challenge. Weak soil conditions, along with presence of shallow groundwater and sensitive nearby land uses, made deep
试图平衡的需要the environment with active pedestrians resulted in the David Kreitzer Lake Hodges Bicycle Pedestrian Bridge. Related Links: Best of California 2009 The stress ribbon bridge provides a link to the north side of Lake Hodges from the south side and serves pedestrians and bicyclists. One of the keys that shaped the project was the need to limit the bridge’s impact on the lake. The project team used the stress ribbon design method to limit the number of supports in the lake to two. The use of precast panels eliminated the need for falsework within