21312 30th Drive SE, Suite 110, Bothell, WA 98021 | 425.774.0106                                  © 2016 HWA GeoSciences, Inc.

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Fairview Avenue Bridge - SDOT

HWA is currently providing geotechnical engineering design support for the replacement of parallel bridges. We conducted finite element analysis to develop alternatives for stabilizing the site, given standard AASHTO seismic parameters. HWA determined that reductions in seismic waves associated with soft lake sediments were large enough that utilizing site-specific seismic parameters negated the need for implementing slope stabilization methods. Efforts saved the City 18M in construction costs.