structural

engineering

overview

Building Structures That Perform Today and Last for Decades

Aging infrastructure, increasing load demands, and evolving design standards present ongoing challenges for public agencies. Whether evaluating an existing structure or designing a new one, communities need solutions that balance safety, cost, and long-term performance.

HLR provides comprehensive structural engineering services from evaluation through final design. With deep experience in bridge systems and municipal infrastructure, we deliver practical solutions that reduce maintenance needs, extend service life, and inspire confidence in every structure.

planning

Evaluating Structures to Inform the Right Solution

Every successful project begins with a clear understanding of existing conditions and future needs.

• Structural evaluations and condition assessments
• Repair, rehabilitation, or replacement analysis
• Life-cycle cost considerations
• Prioritization of improvements based on risk and performance 

design

Designing Structures for Safety, Efficiency, and Longevity

Effective structural design balances performance, constructability, and cost.

• Bridge and structural system design
• Development of plans and specifications
• Coordination with roadway, drainage, and utility design
• Material selection for durability and long-term value

inspection

Understanding Structural Condition Through Detailed Inspection

Reliable data is essential for making informed infrastructure decisions.

• NBIS bridge inspections
• Condition documentation and reporting
• Identification of deficiencies and maintenance needs
• Support for capital improvement planning

analysis

Providing Confidence Through Accurate Load Ratings

Knowing what your structures can safely carry is critical for public safety and system planning.

• Load rating analysis for bridges and structures
• Evaluation of posting requirements
• Analysis of existing and future loading conditions
• Support for agency compliance and reporting

specialty

Supporting Infrastructure for Energy and Heavy Load Demands

Infrastructure supporting energy development and heavy transport requires specialized structural evaluation and design.

• Structural assessment for wind and solar development routes
• Load capacity evaluation for heavy construction vehicles
• Identification of required strengthening or replacement
• Coordination with project stakeholders to ensure safe implementation

experience

A Proven Leader in Bridge Design Across Illinois

HLR brings unmatched experience in structural and bridge engineering, with a track record that spans everything from local road crossings to major transportation corridors. We have designed more local agency bridges than any other firm in Illinois, giving our team a deep understanding of the challenges, standards, and expectations that municipalities face. This experience allows us to deliver solutions that are not only structurally sound, but also practical to construct, cost-effective to maintain, and aligned with long-term community needs.

Experience That Delivers Reliable Infrastructure

PROVEN PERFORMANCE

extend your team

Ready to Strengthen Your Infrastructure?

Partner with HLR to evaluate, design, and deliver structural solutions that are safe, efficient, and built to last.