Reinforced concrete pipe trenchless installation method.

Description: Caltrans is seeking bids for a reinforced-concrete-pipe trenchless installation project on State Route 15 in Riverside County, from 0.4 mile south of Indian Truck Trail Undercrossing to 1.1 miles north of Temescal Canyon Road Undercrossing Bridge. The listed work includes trenchless installation of 630 linear feet of 48-inch and 280 linear feet of 30-inch reinforced concrete pipe, along with associated drainage and culvert work; the posting specifies a 120-working-day duration and a Class A or C-42 license. Bids open November 10, 2026, and the estimated project cost is $6.9 million.