Delaware Memorial Bridge Ship Collision Fender System
Delaware · Bridges · Client: Delaware River and Bay Authority
Project details
Design of a ship collision fender system to protect the Delaware Memorial Bridge structures.

Complete Marine Engineering Solutions
S.T. Hudson Engineers, Inc. is a marine and coastal engineering specialist providing innovative and cost-effective designs for new and existing port and marine terminal facilities. For over 57 years, it has delivered turnkey marine and terminal engineering services across the U.S. and internationally, with extensive experience in the Eastern U.S., Gulf Coast, and the Caribbean. In-house capabilities include certified hard-hat dive crews, hydrographic and geophysical surveying, geotechnical investigation, environmental permitting, and EPC delivery. Clients include port authorities, energy terminals, and government agencies.
Marine investigation services assessing the condition of structures and gathering detailed underwater and aerial data.
Performs high-resolution hydrographic surveys using acoustic sonar, multibeam and single-beam echo sounders, and real-time kinematic GPS positioning for berth clearance and condition assessments.
Provides sub-bottom profiling, side scan sonar, magnetometer mapping, and seismic reflection to aid in hazard detection, pipeline/cable route planning, and ground modeling.
Conducts vibracoring, core drilling, box coring, and grab sampling to analyze seabed composition and support foundational designs.
Conducted by commercially-certified hard-hat divers to inspect underwater conditions of berth and marine structures.
Deploys unmanned aerial vehicles to collect high-quality, detailed aerial data for waterfront and marine terminal facilities.
Utilizes remotely operated vehicles to safely investigate underwater areas that are inaccessible or hazardous to divers.
Permitting, dredge consultation, sampling and analysis, and regulatory compliance for marine projects.
Navigates local, state, and federal regulatory permitting processes for waterfront and marine projects.
Provides dredging specifications, pre- and post-dredge surveys, siltation rate monitoring, and dredge volume calculations.
Performs environmental sampling, seabed grab sampling, and core logging to support compliance and dredging programs.
Guides facility owners through environmental and ecological regulations, ensuring compliance for marine operations.
Marine and mechanical engineering design services for waterfront and terminal facilities using the latest design software.
Designs new and rehabilitated port and marine terminal structures, fender systems, docks, wharves, and harbor facilities.
Delivers mechanical engineering and design services tailored for waterfront facilities and industrial marine terminals.
Turnkey EPC services, owner's representation, and construction support for marine facility and terminal projects.
Provides project guidance, budget control, and scheduling advocacy on behalf of facility owners throughout the project lifecycle.
Offers on-site technical feedback, review of contractor approaches, and value engineering options during project execution.
Delivers complete, turnkey engineering, procurement, and construction solutions for marine facilities and terminal projects.
Ports & Harbors · Marine · Oil & Gas · Government · Environmental & Remediation · Bridges
Delaware · Bridges · Client: Delaware River and Bay Authority
Design of a ship collision fender system to protect the Delaware Memorial Bridge structures.
Marcus Hook, Pennsylvania · Oil & Gas · Client: Energy Transfer
Dock upgrades and modifications at the Marcus Hook Industrial Complex energy terminal.
Philadelphia, Pennsylvania · Ports & Harbors · Client: Philadelphia Regional Port Authority
Marine engineering and support services for port facility improvements.