Philadelphia, PA


Delaware River Port Authority



Core Practices

Services Provided

  • Bridges and Structures
  • Structural Inspection
  • Construction Administration and Inspection
  • Bridge/Structural Design, Inspections, and Evaluations

Project Overview

The Walt Whitman Bridge (WWB) carries I-76 over the Delaware River between Pennsylvania and New Jersey. The Pennsylvania approach substructure for this bridge consists of 38 reinforced concrete piers, ranging in type from shear wall to simple column to frame. The Delaware River Port Authority (DRPA) tasked T&M with the condition assessment, repair area determination and repair designs for the WWB Pennsylvania approach concrete piers. The first phase for this project involved a hands-on condition assessment of the Pennsylvania approach substructure piers to identify priority repairs, determine and mark-out repair recommendation areas, prepare designs, and quantify these repairs in a letter report. As part of this effort, concrete haz-mat sampling was conducted. The second phase included construction inspection and engineering construction support services.

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