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Caltrans Contract No. 59A1096

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


Richmond - San Rafael Bridge Rehabilitation

Through Consultant Contract No. 59A1096, PreScience provided structure construction engineering, management and inspection support services to Caltrans Office of Structure Construction for several construction projects throughout the region of Caltrans Districts 6 and 10, California Central Valley.

Projects Completed

  • Various Bridge Widenings

  • Replace Soundwalls

  • Upgrade Wastewater Systems

  • Pumping Plant Upgrades

  • Bridge Deck Maintenance

  • Replace Approach Slabs

Significant Projects

Falsework Ming.jpg

Highway 58 Bridge Widening

Kaweah Widen.jpg

Kaweah River Bridge Widening

Soundwall CIDH.jpg


07.22.20 Erreca SRRA Recycled Water Stor

Upgrade Waste Water Sytem

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