Westbrook Street Shared Use Path

Westbrook Street had two travel lanes, with a minimal shoulder and a five-foot sidewalk under existing conditions. The sidewalk was immediately adjacent to an existing wall as part of the bridge abutment, providing challenges to widening the sidewalk to the minimum required width for a Shared Use Path. As such, Sebago proposed raising the sidewalk above the top of the wall and installing an additional retaining support wall with a pedestrian fence.

Sebago completed the existing conditions survey utilizing 3D scanning techniques, providing the level of detail required to produce the development of preliminary plans. Final plans were developed for the entire project length, broken into three phases for construction. Design elements for Phase I, constructed in 2021, included the raised pathway under the overpass, inclusive of coordinating challenging drainage relocations, as well as designing for vertical and horizontal challenges, assuring the proper vertical clearance from the pathway to the overpass, and assuring the transitions back to roadway grade remained under the desired 5% for compliance with the Americans with Disabilities Act (ADA) standards.

Phase II, constructed in 2022, included a full mill and overlay, new curbing and associated drainage design, and integration of the pathway to a signalized intersection. Iterations of the preliminary plans successfully avoided conflicts with probable wetlands, existing traffic signal and lighting infrastructure, and adjacent properties/right-of-ways. New intersection detection was provided at the signalized intersection, as well as ADA-compliant ramps and pedestrian push buttons.

Phase III, constructed in 2024, included approximately 1,300 linear feet of pathway/sidewalk installation along Westbrook Street from Exit 3 to Western Avenue. The project included upgrades to existing driveway aprons, installation of granite curbing, concrete slipform back curb, installation of pedestrian curb ramps and detectable warning panels, as well as the relocation of utility poles.