By: Darin Metzer, Director, Materials, WSB
For cities and states, infrastructure performance starts well before construction is complete. Long-term success depends on the materials that support the system and the processes used to verify their quality. Geotechnical engineering, pavement design, and construction materials testing work together to ensure projects are built to perform as intended. When materials perform, infrastructure performs, delivering safer, more reliable assets for the communities that depend on them.
Material testing plays a critical role in achieving that outcome. Through field observation and laboratory analysis, testing confirms that soils, aggregates, asphalt, and concrete meet project specifications and geotechnical recommendations. Verifying compaction, gradation, and composition helps ensure the design is executed properly, reducing the risk of premature deterioration, costly repairs, and performance issues over time.
Construction inspectors are central to this process. They coordinate and witness testing, review results, and document compliance throughout construction. In addition, they support site safety, communicate project progress, and address questions from residents and stakeholders. Their work provides real time insight into project performance, supports risk management, and helps ensure accountability from start to finish.
For public agencies, material testing delivers clear value. It supports quality assurance, strengthens safety, and provides confidence that materials will perform under real world conditions. Just as importantly, it protects public investment by reducing the likelihood of rework and extending the life of infrastructure assets.
WSB partners with cities and counties to bring together geotechnical expertise, pavement engineering, and construction materials testing into a coordinated approach. Our teams provide field and laboratory services supported by experienced inspectors who translate technical data into actionable decisions. By aligning testing, inspection, and communication, we help agencies deliver infrastructure that performs as designed and provides long term value to the communities they serve.
