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Slide background THE #1 SOFTWARE FOR COMPLEX BRIDGE LEADERS Analysis Scenarios enables all analysis types within the same run of analysis Full geometric & material nonlinearity within Stage Construction Analysis Industry leading Bridge Path Coordinate Systems simplify complex alignments AASHTO, Australian, Eurocode, fib MC2010, Indian Roads Congress design codes
Slide background STEEL GIRDER BRIDGE DESIGN & RATING Rapidly Model Complex Alignments Transparent Code Check & Load Rating Automatic Design Lane Placement Industry Leading Live Load Analysis Slider Image

The LARSA 4D Difference

At LARSA, we've spent the last three decades leading the field of bridge engineering software with the latest computing technologies produced to the highest standards of quality. During this time we've developed a way of doing things that we call The LARSA 4D Difference.

It's about an unwavering commitment to all steps that go into the development of our software, and the ever-changing needs of the bridge engineering community supported by LARSA's staff of engineers and researchers that are highly specialized, yet very collaborative. But most of all it's about our commitment to deliver the highest degree of customer satisfaction to our clients, who believe there's a better way of doing things.

LARSA 4D Version 2022.R1

LARSA 4D 2022.R1 is the first major release in 2022 adopting the new “YEAR.RELEASE” naming convention. 2022.R1 delivers significant new features and enhancements in all areas of LARSA 4D. Updates for AASHTO LRFD, Canadian Highway Bridge Design Code, Indian Roads Congress and other design codes are incorporated, new elements and analysis types are available, a new welcome screen is added to the application, and more. Visit LARSA 4D's product download page for more information.

Upcoming Events

Visit LARSA's LinkedIn page to stay up to date with our upcoming events and latest news.
NASCC The Steel Conference
April 12-14, 2023
Charlotte, North Carolina
IABSE Long Span Bridge Conference
April 26-28, 2023
Istanbul, Türkiye
Structures Congress
May 03-05, 2023
New Orleans, Louisiana
The International Bridge Conference
June 12-14, 2023
National Harbor, Maryland

Analysis & Design

Preloaded with the innovative tools necessary to support the life of a bridge project from design to construction, bridge engineering professionals rely on LARSA 4D to deliver the most trusted solution for simple short-span to demanding long-span bridge projects.

  • Steel Girder Bridges

    Code Check, Load Rating, Complex Geometry

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  • Cable Supported Bridges

    Geometric Nonlinearity, Robust Staged Construction Analysis

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  • Concrete Bridges

    Post-Tensioned Bridges, Pre-Cast Bridges, Material Time Effects

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  • Staged Construction

    Advanced Construction Activities, Load Class Tracking

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  • Live Load Analysis

    Influence Surface Analysis for AASHTO LRFD & Other Design Codes

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  • Seismic Analysis

    Eigenvalue, Response Spectrum, Pushover & Nonlinear Time History Analysis

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  • Supporting Industry Leaders since 1986