Client: Southeastern Pennsylvania Transportation Authority (SEPTA)
Location: Angora, PA
Meliora is currently a sub consultant to Gannett Fleming to rehabilitate three existing Railroad Bridges (Cobbs Creek, Ridley Creek and Darby Creek) on SEPTA’s Media Elwyn line. Meliora is responsible for the structural rehabilitation of the superstructure, towers, rebuilding abutment back walls and repoint the existing masonry pier and abutments on the Cobbs Creek Bridge.
The Cobbs Creek Bridge dates to circa 1890, and is a wrought iron steel multi girder structure. The abutments and one pier are ashlar masonry while the remainder are wrought iron towers.
Meliora is providing design services for structural rehabilitation and repair details to repair corroded members, cracked members, replacing the abutment back walls, replacing the bearing pads and sliding surfaces, temporary shoring, retaining walls, repointing and repairing the ashlar masonry, pressure injecting the concrete pier cap, scour protection for piers near the creek, and re-grading to expose buried base plates.Most of the work was designed to utilize weekend outages for construction.