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Concrete being spread on new roadway with cement truck and construction workers

SR-60 / Archibald Avenue Interchange Improvement Project

SR-60 / Archibald Avenue Interchange Improvement Project Ontario, California This $15 million project improved Archibald Avenue between East Oak Hill Drive and Monticello Place at the State Route 60 (SR 60) interchange, located in the City of Ontario in San Bernardino County. Proposed improvements included widening Archibald Avenue to add a northbound left-turn lane to […]

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Aerial view of a new stretch of highway crossing over a highway and railway.

Rosecrans/Marquardt Grade Separation

Rosecrans/Marquardt Grade Separation Santa Fe Springs, California Southstar | DCCM provided structures inspection and public outreach services on the Rosecrans/Marquardt Grade Separation Project in the City of Santa Fe Springs. Metro’s improvement plan includes building an above-grade crossing at Rosecrans/Marquardt Avenues. The crossing was ranked by the California Public Utilities Commission (CPUC) in 2016 as

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Construction workers on site of a roadway construction project

Riverside Avenue South Street Reconstruction Project

Riverside Avenue South Street Reconstruction Project Rialto, California Southstar | DCCM provided Construction Management and Inspection services for the City of Rialto for the Riverside Avenue South Street Reconstruction Project. Construction started in June 2022 and was completed in June 2023. The majority of work was performed at night because Riverside Ave is a heavy-truck

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Aerial view of a highway stretching between neighborhoods with mountains in the distance

Pearblossom Highway Reconstruction Project

Pearblossom Highway Reconstruction Project Palmdale, California Southstar | DCCM provided Construction Management, Inspection, Materials Testing and Surveying services for the Pearblossom Highway Reconstruction project in Palmdale, California. Pearblossom is a major trucking route under the desperate need for reconstruction. The Southstar | DCCM team kicked off this $13.5M project with a high level of precision.

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Construction on a railroad bridge on a sunny day

Magnolia Avenue Grade Separation

Magnolia Avenue Grade Separation Riverside, California The 2-span steel girder railroad bridge provided for two tracks of the Union Pacific Railroad (UPRR) over a 4-lane major arterial street within a commercial area of the City. The work required the construction of temporary soldier pile walls in order to keep traffic flowing along the Magnolia Avenue

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Aerial view looking down a multi-lane highway with distant fog and mountains

I-215 Widening – South

I-215 Widening – South Murrieta, California In December 2010, the Riverside County Transportation Commission (RCTC) awarded a $15 million construction contract for the widening of six miles of Interstate 215 between Murrieta Hot Springs Road and Scott Road. Highway widening tasks started in April 2011 and the project was completed 18 months later, ahead of

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Aerial view of construction of an overcrossing roadway

I-215 Holland Road Overcrossing

I-215 Holland Road Overcrossing Menifee, California Southstar | DCCM is providing construction management, inspection and public outreach services on this project for the City of Menifee that will construct roadway approaches and I-215 Overcrossing at Holland Road in the City. The bridge is a 328 foot, 3-span, cast in place, post tensioned box girder bridge.

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