Dadson Consulting Inc

Dedication and Experience

Website

About the firm

Dadson Consulting, Inc. (DCI) is a structural engineering consulting practice based in Woodbridge, Virginia, specializing in the design of infrastructure such as steel and concrete bridges, tall retaining walls, modified box culverts, and underground structures. It provides construction administration and engineering services for the design and repair of commercial parking garages, access ramps, and pedestrian bridges. Additionally, DCI performs structural design and modification for select low-rise commercial and industrial buildings.

Team
Micro
Firm type
Structural Engineering · Transportation Engineering · Civil Engineering

People

Daniel K. DadsonPresident

Christopher A. HudsonAssociate/Senior Engineer

Capabilities

Bridge and Transportation Structures

Service website

Provides structural analysis and engineering design for regional transit infrastructure projects, utilizing advanced computer modeling to evaluate complex spans and foundation elements.

  • Steel and Concrete Bridge Design

    Applies specialized structural modeling to draft, analyze, and rate straight or curved bridge structures using high-performance steel and precast concrete components.

  • Foundation Analysis and Design

    Evaluates geotechnical conditions to design deep and shallow foundations, including spread footings, steel piles, and drilled shafts.

  • Underground and Utility Structural Engineering

    Designs heavy-duty underground concrete structures, box culverts, and specialized utility manholes engineered to withstand aircraft and transit vehicle live loads.

  • Excavation Support Engineering

    Engineers temporary and permanent earth retention systems, such as timber lagging and sheet piling, to secure excavation zones during construction.

  • Ancillary Transportation Structures

    Develops structural foundation designs for highway signage, tolling structures, and traffic signal poles.

Building Structures

Service website

Delivers comprehensive structural engineering for low-rise commercial, retail, and industrial facilities.

  • Low-Rise Building Structural Design

    Engineers load-bearing systems for low-rise facilities using timber, concrete, masonry, and structural steel.

  • Light-Gauge Steel Engineering

    Designs light-gauge steel framing and components for commercial structures.

  • Industrial Warehouse and Storage Design

    Provides structural design for warehouses, asphalt plant foundations, and heavy industrial storage structures.

  • Parking Lot Slab-on-Grade Design

    Engineers durable concrete slab systems designed to support vehicular traffic and heavy equipment loads.

Building Condition Investigation

Service website

Assesses structural integrity and identifies remediation requirements for aging or damaged building systems.

  • Parking Garage and Ramp Inspection

    Performs condition assessments on concrete parking garages and access structures to diagnose structural fatigue and concrete spalling.

  • Structural Joint and Waterproofing Assessment

    Evaluates structural expansion joints and waterproofing systems to prevent water ingress and preserve steel reinforcement.

  • Forensic Structural Evaluation

    Investigates concrete, steel, and masonry buildings to identify structural deficiencies and outline repair specifications.

Landscape and Retaining Structures

Service website

Engineers specialized outdoor structures and soil-retention systems for commercial developments and residential subdivisions.

  • Retaining Wall Engineering

    Designs free-standing and earth-retaining masonry, stone, or concrete walls to manage site topography.

  • Subdivision Entrance Features

    Designs masonry walls, piers, and ornamental structural features for residential and commercial entranceways.

Construction Administration

Service website

Offers construction-phase oversight to ensure compliance with engineered designs and regulatory guidelines.

  • Shop Drawing and Submittal Review

    Evaluates fabricator shop drawings, structural steel details, and rebar submittals to verify alignment with construction documents.

  • On-Site Construction Management

    Conducts site visits, performs quality assurance inspections, and coordinates structural engineering issues on active job sites.

  • As-Built Plan Review

    Verifies final constructed configurations against original design intent to compile accurate as-built records.

Perimeter Force Protection

Service website

Designs physical security measures and perimeter barriers to safeguard critical infrastructure and commercial properties.

Industries

Bridges · Transportation · Highways & Roads · Parking · Commercial · Industrial · Residential

Projects

AWI South Capitol Street Corridor Bridges

Washington, D.C. · Bridges · Client: DDOT

Project details

Structural design and engineering services for the South Capitol Street Corridor bridges under the Anacostia Waterfront Initiative.

AWI 11th Street Corridor Bridges

Washington, D.C. · Bridges · Client: DDOT

Project details

Structural design and engineering services for the 11th Street Corridor bridges under the Anacostia Waterfront Initiative.