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Caltrans Contract No. 59A0841

Bridge Projects Completed

  • 04-3A23U3: Airport I/C + Soundwall

  • 04-0A1853: Old Redwood Highway OC

  • 04-4H6003: Rivers End Ret Walls

  • 04-2E7203: Br. Deck Methacrylate OL

  • 04-264143: Jameson Canyon Soil Nail

  • 04-2640U3: Petaluma River Bridge

  • 04-1A3203: Scofield OH Deck Rehab

  • 04-2640K3: Reconstruct Lakeville IC

  • 04-2640G3: Widen Bridge & HMA

  • 04-264073: MSN B1 Redwood Landfill

  • 04-2E7603: Treat Bridge; Jt Replace

  • 04-1706U3: 5th Avenue Rte 880

  • 04-3A9223: Widen Mainline and Br

  • 04-3A9213: Widen Freeway, Replace OC

  • 04-294913: 4th Caldecott Tunnel & Bldg

  • 04-4A07U3: Rte 580 Truck Climbing Lane

  • 04-450203: Tie-back & Soil Nail Walls

  • 04-4A0103: McCune Creek Approach Slabs

  • 04-0A0903: Widen Alamo Creek Bridge

  • 04-0A0903: Richmond San Rafael

  • 04-1A2903: Laguna De Santa Rosa Br

  • 04-4S6203: Rock Point Tie-Back Wall

  • 04-2908V3: I-580 WB Widening

  • 04-2908C3: I-580 WB HOV Lane

  • 04-2908E3: I-580 Rdway Widen & Rehab

  • 04-265603: Replace San Pedro Creek Br

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Richmond - San Rafael Bridge Rehabilitation

As Prime CEI Consultant through CEI Consultant Contract No. 59A0841, PreScience provided structure construction engineering, management and inspection support services to Caltrans Office of Structure Construction for over 50 bridge construction projects throughout the region of Caltrans District 4 - San Francisco/Oakland Bay Area.

Bridge Projects Completed

  • Airport Interchange + Soundwall

  • Old Redwood Highway Overcrossing

  • Bridge Deck Methacrylate Overlay

  • Jameson Canyon Soil Nail

  • Petaluma River Bridge

  • Scofield Bridge Deck Rehab

  • Reconstruct Lakeville IC

  • MSN B1 Redwood Landfill

  • Treat Bridge; Jt Replace

  • Widen Freeway, Replace Overcrossing

  • 4th Caldecott Tunnel & Bldg

  • Rte 580 Truck Climbing Lane

  • Tie-back & Soil Nail Walls

  • McCune Creek Approach Slabs

  • Widen Alamo Creek Bridge

  • Richmond San Rafael

  • Rock Point Tie-Back Wall

  • I-580 WB HOV Lane

  • Replace San Pedro Creek Br

Significant Projects

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Richmond - San Rafael Bridge Rehabilitation

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SR-101/Petaluma River Bridge/Old Redwood Highway IC

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Devil's Slide Tunnel

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Caldecott Tunnel - 4th Bore

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