Lechmere Viaduct, Memorial Way/Rt 28 Intersection

Boston, Massachusetts

Description: The Lechmere Viaduct carries the MBTA Green line from Science Park Station to Charlestown Avenue in Boston and Cambridge, MA. The viaduct includes 12 spans over Nashua Street, the Charles River, Museum Way and Charlestown Avenue. The East Cambridge Lechmere Viaduct Rehabilitation project involves repair and rehabilitation of the structural elements, traction power equipment replacement, signal replacement, replacement of the track and bridge superstructure and safety walks, repair and rehabilitation of the concrete floorbeams, arches and piers, strengthening the arch spans with Carbon Fiber Reinforced Polymer (CFRP) fiber wrap, steel strengthening and repairs of the Bascule Span over the Charles River, and Overhead Catenary System replacement.

Scope of Work: For this project, Fenagh provided special inspections and materials testing including Soil Field Inspection, ACI Concrete Inspection, Floor Flatness & Levelness (FF/FL) Testing, Mortar/Grout Sampling, Core Extraction (including equipment), Erection/Member Verification/Bolting Inspection, Sieve Analysis, Concrete Compression Tests, Masonry Grout Compression Tests, Petrographic Analysis of Cores, and more. Learn more about Fenagh’s services here.