Fyfe - 100-Year-Old Bridge Piers Rehabilitated

Preserving century-old bridge infrastructure requires a strategic approach to combat decades of environmental wear and substrate deterioration. In regions where seasonal water level fluctuations expose critical support piers to harsh freeze-thaw cycles, maintaining structural longevity is essential for emergency readiness. When nine massive concrete piers showed extensive wear, engineers sought a rehabilitation method that would provide a durable, impermeable jacket without the heavy footprint or environmental risks associated with traditional shotcrete.

Fiber-reinforced polymer (FRP) systems offer an ideal solution for these complex marine environments. Certified for use in drinking water reservoirs, these high-strength wraps create a protective barrier that significantly limits water intrusion and prevents further concrete degradation. The lightweight nature of the material allows for installation from floating platforms, even during sub-freezing winter months when water levels are at their lowest. By utilizing heated containment shelters, crews can ensure proper curing and substrate bonding, extending the service life of vital infrastructure with minimal impact on the surrounding ecosystem. Discover how advanced composite systems safeguard historic bridge piers in the full case study.