State Route 330 Emergency Repairs
State Route 330 (SR-330) was damaged by washouts and slides during a severe winter storm in late December 2010. The route, one of the major arteries to the San Bernardino Mountain communities, was fully closed due to the damage. In January 2011, Caltrans awarded the first of three emergency contracts to repair SR-330. The scope of emergency repair work consisted of implementing new drainage uphill, installing debris racks, constructing buttresses, reconstructing slope and road, placing metal beam guardrails, and repairing damaged culverts.
The contractor (Skanska) utilized an aggressive staging schedule consisting of 24-hour, continuous shifts to expedite work. Group Delta provided construction materials testing in the field and mobilized an on-site lab for continuous shift testing. Our services included sampling and testing of soil, concrete, asphalt, and related materials during placement. SR-330 was permanently reopened in June 2011, approximately four months ahead of schedule.