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Real Impact: Engineering connections that bring Australians closer together.

Connected Communities are Better Communities

We partner with local councils, state road authorities, and private developers to deliver transport solutions that are safe, efficient, and built for the future.

We design the essential infrastructure that keeps communities connected—bridges, roads, and transport networks that support growing cities and industries. Our engineering expertise spans everything from bridges and intersections to major road upgrades and transport precincts, including Project Verification.

Transport projects are complex. That’s why we focus on practical, buildable designs that integrate seamlessly with existing networks. Whether it’s designing access roads for a windfarm, managing precinct-wide infrastructure, upgrading major motorways, or supporting critical road and transport around major Australian airports, we bring technical excellence and a solutions-driven mindset.

We collaborate closely with contractors, traffic engineers, and specialist disciplines like flooding and hydrology to deliver well-informed, cost-effective outcomes. Our experience in design and construct (D&C) projects ensures we create efficient solutions that work in the real world.
From local road improvements to multi-million-dollar transport corridors, we help deliver smarter, more connected infrastructure—keeping people and businesses moving.

“What I love about Northrop is the diversity of projects we get to work on and the strong relationships we build with our clients. We work closely with them to truly understand their objectives, making problem-solving a rewarding and collaborative process.”
Josiebel Cardona

Infrastructure & Bridges Impacts

Flexible Design & Delivery

We work across various types of delivery models, adapting our approach to meet project needs—whether it’s preliminary concept design, detailed engineering, or independent verification and peer reviews. Our experienced team focuses on flexibility to meet client project requirements.

Navigating Approvals with Confidence

We understand the approval pathways for major transport projects, working closely with councils, state road authorities to ensure fast, compliant, and hassle-free approvals.

Proven Major Project Experience

From highway upgrades to new transport precincts, we’ve successfully delivered large road infrastructure projects, ensuring real-world, buildable outcomes that meet client and community needs.

Buildable & Cost-Effective Designs

We focus on practical, efficient solutions that streamline construction, reduce material costs, and minimise project risks—helping contractors and clients deliver on time and within budget.

Services & Areas of Expertise

• Road Bridge Design
• Concept Options Analysis
• Concrete Pit Design
• Culvert Design
• Cycleway Design
• Drainage Design
• Intersection Design
• Multidisciplinary Design Management

• Noise Walls Design
• Pedestrian Bridge / Shared Path Design
• Retaining Walls
• Bridge Widening
• Road Design
• Road Safety Audit
• Sign Structures

Key projects

Pappinbarra Bridge

Moorebank Intermodal

Warner Industrial Park Bridge

Contact a friendly Northrop team member today

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