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  • Oakville Cross Road Bridge Replacement

    ADKO provided PS&E for the Oakville Cross Road Bridge Replacement Project. The structure improvements included replacement of a narrow bridge with a new two-lane two-span box girder bridge, a … Continue Reading…

    Oakville Cross Road Bridge Replacement
  • Sperry Road Extension Project

    ADKO Engineering was selected to provide Construction Management for the construction of new five bridges for Sperry Road Extension Project. These new five bridges consist of 3 span cast-in-place P/S … Continue Reading…

    Sperry Road Extension Project
  • Devlin Road Extension Bridge

    ADKO Engineering provided PS&E and construction management for the Devlin Seg E Project. Segment E project is approximately 1,100 feet in length, with a 92-foot single span precast prestressed CA … Continue Reading…

    Devlin Road Extension Bridge
  • Maybert Road Bridge Replacement

    The historic Maybert Bridge was eligible under the National Register of Historic Places. The bridge was built in 1895 and has a rich and colorful history. The bridge connected the historical mining … Continue Reading…

    Maybert Road Bridge Replacement
  • 2017 Earthquake Repairs County of Napa

    ADKO is providing PS&E for the following earthquake damaged sites: DAF 17 Old Sonoma Road Stone Culvert: The project consists of repairing the existing unreinforced mortared stone masonry … Continue Reading…

    2017 Earthquake Repairs County of Napa
  • Ferguson Slide Rock Shed, Caltrans/AECOM, CA

    Caltrans proposed to construct a new rock shed (Culvert) on Highway 140 between Mariposa and El Portal at Ferguson slide. The new rock shed Culvert will provide a safe and convenient access through a … Continue Reading…

    Ferguson Slide Rock Shed, Caltrans/AECOM, CA
  • OC 405 Widening Project, Orange County, CA

    ADKO provided the independent design check services for the replacement of the existing eight overcrossings in Orange County. Our tasks involve identifying potential savings for the OC40 JV that … Continue Reading…

    OC 405 Widening Project, Orange County, CA

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Recent Posts

  • GALENA CREEK BRIDGE AND YERBA BUENA ISLAND VIADUCT
  • Ferguson Slide Rock Shed, Caltrans/AECOM, CA
  • SANTA FE AVE BRIDGE REPLACEMENT
  • OC 405 Widening Project, Orange County, CA
  • 2017 Earthquake Repairs County of Napa

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