Santamaria Concrete completed emergency roadway and drainage repairs for Caltrans along a major corridor in Northern California. The project addressed a sinkhole and failed underground drainage system, requiring immediate excavation, repair, and restoration to ensure safe roadway conditions.

Work was performed under both daytime and nighttime operations to meet emergency response timelines and minimize traffic impacts.

Scope of work:

• Excavation of sinkhole and failed roadway section
• Removal and exposure of damaged culvert system
• Installation and repair of underground drainage components
• Backfill and compaction of excavated areas
• Asphalt and surface restoration
• Coordination of traffic control and lane closures

Project highlights:

• Emergency response to roadway sinkhole condition
• Day and night work operations to accelerate completion
• Restoration of underground drainage system
• Work performed along active roadway with traffic control
• Multi-phase excavation, repair, and surface restoration
• Rapid response to restore safe driving conditions

Site and engineering:

The project required removal of failed roadway sections to access and repair the underlying drainage system. Excavation and reconstruction were performed to restore proper structural support and drainage performance.

Logistics and execution:

Due to the emergency nature of the project, work was performed under tight timelines and varying work shifts. Crews operated during both day and night hours to complete excavation, repair, and restoration while maintaining traffic flow.

Safety:

All work was performed following Caltrans safety requirements, including traffic control measures, night work lighting, and coordination in an active roadway environment.

Project information:
Client: Public Agency (Caltrans)
Location: Northern California
Project type: Emergency Roadway Repair / Drainage Improvements
Contractor: Santamaria Concrete