Public engineering firm profile
Wellesley, MA
Delivering innovative engineering solutions that rise to the challenges and complexities of critical infrastructure projects
Reliance Engineers LLC is an infrastructure engineering consultancy headquartered in Wellesley, Massachusetts, with additional offices in Michigan and Toronto. The practice delivers specialized services across bridge and structural engineering, tunnel and underground construction, geostructural engineering, geotechnical engineering, cost estimation and project controls, and owner advisory services. Its engineers have delivered work on major transit, highway, and port infrastructure projects including the MBTA Green Line Extension, I-95 New Haven Harbor Crossing, and Conley Terminal Backland Development.
Planning, analysis, and design of bridge and structural systems for transportation infrastructure. Covers complex long-span bridges (cable-stayed, arch, segmental, truss) and short- to medium-span solutions (precast girder, steel plate girder, box-girder). Services address roadway and railway bridges, reinforced and prestressed concrete, structural steel, steel-composite systems, fixed and movable spans, curved and skewed alignments, phased construction, and staged loading. Analysis uses advanced tools and 3D modeling; design conforms to AASHTO, AREMA, and regional standards.
Structural and geotechnical support for tunnel and underground construction projects, including temporary and permanent shoring systems and subterranean infrastructure.
Highly specialized geostructural services tailored to infrastructure and subterranean construction, including temporary shoring design, permanent shoring and underpinning, and soil-structure interaction for deep excavation projects.
Comprehensive geotechnical services tailored to the demands of infrastructure development, deep foundation systems, and complex ground behavior, backed by rigorous analysis and site-specific evaluations.
Rigorous bottom-up cost estimating built from unit- and task-level estimates aligned with the Work Breakdown Structure. Minimizes omission risks, ensures clear traceability, facilitates third-party estimate comparisons, and incorporates risk, uncertainty, and escalation assessments.
Comprehensive owner advisory and management services, including value engineering, constructability reviews, and risk assessments to optimize infrastructure projects.
Ontario, CA | Metrolinx | Transit
Reliance Engineers is part of the Owner's Technical Advisory Team, providing advisory services to Metrolinx as a sub-consultant to HDR on this major urban rail expansion.
View project sourceMississauga, CA | Infrastructure
This expansion project for an existing structure included a three-level underground parking garage, requiring a highly sophisticated temporary shoring system.
View project sourceOntario, CA | Religious
This church expansion project required a permanent shoring and underpinning system to ensure structural stability both during construction and in the long term.
View project sourceCambridge/Somerville/Medford, MA | Massachusetts Bay Transportation Authority | Transit
Reliance Engineers provided geotechnical leadership during the early design phases of this major transit expansion, as part of the design-build extension of the Massachusetts Bay Transportation Authority (MBTA) Green Line from Cambridge to Medford.
View project sourceNew Haven-East Haven-Branford, CT | Bridges
Reliance Engineers led the geotechnical program management for the Q Bridge Replacement Project, a major infrastructure initiative involving the replacement of the I-95 bridge over New Haven Harbor.
View project sourceSouth Boston, MA | Ports & Harbors
Reliance Engineers was responsible for the geotechnical scope supporting the development of a new 25-acre container storage terminal.
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