Patrick Marra

Senior Associate


Since joining WJE in 2016, Patrick Marra has been involved in the assessment, evaluation, and rehabilitation of multiple timber, steel and concrete structures. This has included special and fracture-critical bridge inspections, bridge instrumentation monitoring, element-level inspections, and structural analysis. Prior to joining WJE, Mr. Marra worked as a structural engineer for a marine structures design firm. His work covered the analysis and design of a wide variety of maritime structures, including multiuse wharf structures, bulkhead sheet pile wall systems, and mooring and berthing systems.




Bridges and Civil Infrastructure

  • 35th Street Pedestrian Bridge - Chicago, IL: Instrumentation of hanger clamp pretensioned bolts
  • Indiana Department of Transportation Special Bridge Inspections - Indianapolis, IN: Inspection of several post-tensioned reinforced concrete box girder bridges
  • Sherman Minton Bridge - New Albany, IN: In-depth and fracture critical inspection of complex bridge structure
  • Indiana SR-46 - Columbus, IN: In-depth and fracture-critical inspection of cable-stayed bridge
  • I-20 Over Valley Street - Pearl, MS: Fracture-critical inspection of welded stiffener details and repair implementation
  • Iowa 136 Over the Mississippi River - Clinton, IA: In-depth, element-level, and fracture-critical inspection of steel truss bridge
  • Timber and Complex Bridge Inspections - Various Counties, MS: NBIS compliant inspection of more than fifty county bridges throughout the state
  • Connection Plate Cracking Study - Decatur, IL: Inspection and trial retrofit study for several highway bridges
  • O'Hare International Airport - Chicago, IL: Pedestrian canopy inspection
  • Facilities Inspection and Condition Assessment Program - Houston, TX: Element level inspection of multiple wharf assets in the Port of Houston
  • Dundalk Marine Terminal Berth 4 - Baltimore, MD: Construction support for the reconstruction of a marginal wharf structure*


Structural Analysis

  • Sherman Minton Bridge Stringer Repairs - New Albany, IN: Load rating of steel stringer connections and design of retrofits
  • Midway Airport Terminal Improvements - Chicago, IL: Comparative analysis of lateral bracing systems for construction staging
  • Grain Wharf Reconstruction - Albany, NY: Modeling and design of a new marginal wharf structure*
  • Robinson Terminals North and South - Alexandria, VA - Above-water inspection of pier structures and subsequent load rating*
  • Harbor Crossing Vessel Collision Protection - Baltimore, MD: Evaluation of alternate structure concepts for vessel collision protection structures*


Repair and Rehabilitation

  • Barbours Cut Terminal 3 - Houston, TX: Condition assessment and repair design for wharf upgrade
  • Agency-Wide Substructure Repairs - Baltimore, MD: Design and construction support for numerous substructure repairs throughout the Port of Baltimore*
  • Masonville Vessel Berth Fender Panel Damage Assessment - Baltimore, MD: Assessment of fender panel damage for newly installed cone fenders*

*Indicates with previous firms

Professional Affiliations

NHI Course 130055 - Safety Inspection of In-Service Bridges
NHI Course 130078 - Fracture Critical Inspection Techniques for Steel Bridges
Professional Engineer in MD


Bridge Inspection Team Leader in IN
NHI Course 130055 - Safety Inspection of In-Service Bridges
NHI Course 130078 - Fracture Critical Inspection Techniques for Steel Bridges
Professional Engineer in IN and MD
Structural Engineer in IL


University of Delaware
Bachelor of Civil Engineering, 2012
Master of Civil Engineering, Structural Engineering, 2013