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Bridge Coring — 91 Freeway, Riverside

United Concrete Coring and Sawing are the experts for difficult concrete coring projects across Southern California. These photos show United drilling 5" diameter holes through a bridge over the 91 freeway in Riverside, CA.

Crew core drilling beside a fenced opening on the 91 freeway bridge job

Concrete Core Drilling

Precise core drilling for plumbing, electrical, HVAC, and structural openings. Our crews handle reinforced concrete in any environment — from tight residential spaces to large-scale commercial and infrastructure projects.

Core drill boring through the concrete deck on the 91 freeway bridge job
Operator core drilling a foundation slab on a residential job Operator core drilling pavement beside a United service truck Two operators flat-sawing a street in front of an excavator Operator flat-sawing a curb with an excavator on the job behind him Two crew members wet-cutting pavement beside a United truck Operator pushing a walk-behind flat saw through pavement Operator flat-sawing wet pavement beside a traffic cone Operator core drilling inside a concrete manhole

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From the smallest residential job to the largest industrial project — we are ready when you are.

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