Project portfolio

Experience in complex civil infrastructure

A selection of projects where we have provided structural expertise in design, verification, reassessment, optimisation, coordination and site engineering.

Oosterweel Link — Oosterweel Junction — project image 1Oosterweel Link — Oosterweel Junction — project image 2Oosterweel Link — Oosterweel Junction — project image 3Oosterweel Link — Oosterweel Junction — project image 4Oosterweel Link — Oosterweel Junction — project image 5Oosterweel Link — Oosterweel Junction — project image 6Oosterweel Link — Oosterweel Junction — project image 7

Project context WSP

Oosterweel Link — Oosterweel Junction

Structural challenge

Design and technical control of complex tunnel structures within a major multidisciplinary infrastructure project.

AJ Infra’s role

Design coordinator and coordinating structural engineer for the Vlechttunnels.

Key contribution

Coordination of structural activities, technical interfaces and detailed design of multiple tunnel segments.

Added value

Controlling complex structural challenges and safeguarding alignment between design disciplines and construction.

Official project website
Rijkswaterstaat GPO — project image 1Rijkswaterstaat GPO — project image 2Rijkswaterstaat GPO — project image 3Rijkswaterstaat GPO — project image 4Rijkswaterstaat GPO — project image 5Rijkswaterstaat GPO — project image 6

Project context Rijkswaterstaat GPO

Rijkswaterstaat GPO

Structural challenge

Assessment and reassessment of existing steel bridges and other civil engineering structures.

AJ Infra’s role

Structural engineering advisor across several Rijkswaterstaat projects.

Key contribution

Structural assessments for the fixed steel bridge reassessment programme and contributions to A2 Het Vonderen–Kerensheide and A27 Everdingen–Hooipolder.

Added value

Traceable technical assessments supporting structural safety and informed decision-making.

Official project website
Asset maintenance and structural safety — project image 1Asset maintenance and structural safety — project image 2

Project context Wagemaker B.V.

Asset maintenance and structural safety

Structural challenge

Assessment of structural safety and remaining service life of existing civil engineering structures.

AJ Infra’s role

Senior structural engineering advisor.

Key contribution

Interpretation of inspections and material investigations, followed by structural assessments and reassessments.

Added value

Translating inspection findings and structural analyses into practical, substantiated asset-management advice.

N206 Ir. G. Tjalmaweg and Torenvliet Bridge — project image 1N206 Ir. G. Tjalmaweg and Torenvliet Bridge — project image 2

Project context Boskalis

N206 Ir. G. Tjalmaweg and Torenvliet Bridge

Structural challenge

Structural development and optimisation throughout design and construction.

AJ Infra’s role

Structural engineer and technical advisor.

Key contribution

Review and guidance of subcontractors, optimisation, construction-stage design and site engineering.

Added value

Buildable structural solutions and direct technical support during construction.

Official project website
N247 reconstruction — project image 1

Project context Van Hattum en Blankevoort

N247 reconstruction

Structural challenge

Structural development of the Slochterweg underpass.

AJ Infra’s role

Structural engineer and mentor to structural engineers.

Key contribution

Detailed design, review, technical advice and optimisation of civil engineering components.

Added value

A technically substantiated and buildable design based on clear structural assumptions.

VDRQ Avioduct over the A4 — project image 1VDRQ Avioduct over the A4 — project image 2VDRQ Avioduct over the A4 — project image 3

Project context Heijmans

VDRQ Avioduct over the A4

Structural challenge

Design of abutments for a specialist aircraft viaduct.

AJ Infra’s role

Structural engineer and technical advisor.

Key contribution

Detailed design of the abutments and guidance of structural engineers.

Added value

Translating complex loads and project-specific constraints into a buildable structural design.

Bridges and Quay Walls Programme — project image 1

Project context Gemeente Amsterdam

Bridges and Quay Walls Programme

Structural challenge

Assessment of existing bridges and quay walls.

AJ Infra’s role

Structural engineering advisor.

Key contribution

Verification calculations and assessment of inspections, material investigations, heavy-traffic exemptions and emergency cases.

Added value

Translating structural information into practical advice for safety, asset management and decision-making.

Your project

A structural challenge? We can help move your project forward

From design and reassessment to independent verification and construction support, we bring clarity to complex structural challenges and develop safe, substantiated and buildable solutions.