M Street Grade Separation – Underpass

Client: City of Auburn

Role: Roadway Engineer | CH2M

Dates: August 2010 to June 2014

Stephanie served as the roadway design engineer for the M Street SE Underpass Project which created eliminated the at-grade crossing of the BNSF Stampede Pass Line at M Street SE by lowering the roadway to create an underpass. The project constructed two railroad bridges, roadway widening to accommodate up to five travel lanes, sidewalk, bicycle lanes, lighting, traffic signal, stormwater pump station and pond, and relocated utilities to accommodate the new roadway grades. This undercrossing improved safety and freight mobility. The creative roadway geometric design reduced impacts to properties while meeting ADA accessibility requirements. Stephanie was responsible for paving, signing, striping, typical sections, and demolition plans. She also performed interdisciplinary coordination, quantity take-offs, estimating, and specification editing. Throughout construction, Stephanie remained on-call to answer requests for information (RFIs).