Repair Culverts Without Compromise
Culverts move stormwater beneath roads, but they’re only as strong as the soil supporting them.
When joints leak, water erodes surrounding soil, creating voids that undermine culverts and roadways above. Left unchecked, small failures escalate into emergency repairs and costs multiply fast. Our approach stabilizes soil, lifts settled structures, and seals leaks without lane closures or detours.
Stay One Step Ahead of Failure
Before: Tearing Up Roads to Replace Culverts
Traditional culvert repair means cutting into roadways, removing pipe, rebuilding base layers, and repaving — often shutting roads down for days or weeks. Traffic control, hauling, and extended timelines quickly outweigh the repair itself.
After: Precision Repairs, No Excavation
Shenandoah uses targeted polyurethane injection through small access points to fill voids, compact soil, lift settled surfaces, and seal leaks before erosion spreads. The result? Faster repairs, lower cost, minimal disruption, and infrastructure that’s stabilized long term.
Keep Traffic Moving, Budgets Intact, and Operations Running
Polyurethane injection delivers structural restoration without the lane closures, detours, and budget overruns that make traditional culvert repair operationally prohibitive.
Polyurethane cures in minutes. Roadways are lifted, stabilized, and ready for full traffic loads within hours, eliminating the extended closures that come with excavation and replacement. Many projects are completed during off-peak hours and reopen before morning traffic, minimizing disruption to commerce and commuters.
Temporary fixes that don’t address eroded soil create recurring budgetary drains. Polyurethane injection penetrates base and subbase layers, filling voids and compacting loose material to create permanent stability. This eliminates the cycle of repeated repairs that consume maintenance budgets year after year.
Water infiltration through culvert joints erodes soil, destabilizes structures, and accelerates deterioration. Along with Shenandoah’s pipe rehabilitation technologies like CIPP, SAPL, and internal joint sleeve installation, polyurethane encases and seals leaking joints, stopping infiltration that causes progressive damage. When leaks are eliminated early, minor issues never become emergency closures.
Eroded soil forces weight restrictions that reroute heavy vehicles, disrupt logistics, and increase operating costs. Polyurethane stabilization restores or increases load-bearing capacity by compacting soil and filling voids, eliminating restrictions and keeping critical routes accessible for commercial and emergency vehicles.
Deferred culvert maintenance leads to catastrophic failures that close roads unexpectedly, trigger emergency declarations, and require full replacements at 5-10x proactive repair costs. Polyurethane injection stabilizes structures before settlement progresses to failure, protecting budgets, maintaining accessibility, and preventing operational crises.
Polyurethane injection requires only 5/8″ holes drilled through the pavement, so there’s no need for excavation, removal of roadway sections, or demolition of culvert structures. Why does this matter? It eliminates material hauling, disposal costs, repaving expenses, and the extended timelines that make traditional methods prohibitively expensive.
Proven Performance Across Critical Drainage Infrastructure
Explore how our polyurethane injection process prevents failures and eliminates closures.
Tap Into Total Peace of Mind
When you know you have an all-in-one partner who has your back (and your infrastructure), you face the future with confidence.