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ADKO Engineering, as a subconsultant to CC Myers, provided falsework design and shoring design for the Galena Creek Bridge and YBI Viaduct. Construction Value: VariesADKO Fee: $800,000Client Reference: Chris Nelson

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 rock fall area due to a land slide movement. ADKO Engineering is conducting a peer review report that provides improvements and address safe rock shed construction, benefits, and concerns to allow the roadway to remain… Read more: Ferguson Slide Rock Shed, Caltrans/AECOM, CA

ADKO Engineering provided Myers & Sons with falsework, trestle and shoring design for Santa Fe Bridge over Tuolumne River, a 540 feet arched cast-in-place three span arched structure that is supported on 12-foot diameter CIDH Piles and 7 foot columns.

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 totaled more than 50 Million. Project sites include: — Talbert Ave OC Replacement is the largest structure on I-405 (434’ long) with 22 lanes totaling approximately 114’-0” in width. This two continuous spans CIP/PS box girder bridge is supported on… Read more: OC 405 Widening Project, Orange County, CA

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 culvert wingwall. The culvert wingwall repair will consist of drill and bond dowels into the damaged wingwalls and provide stream diversion. Extensive cracks (1” wide) in the stone arch culvert and cracks in pavement. DAF 19 Yountville Crossroad Bridge : The… Read more: 2017 Earthquake Repairs County of Napa

ADKO Engineering, Inc. is currently providing on-call/as-needed design, staff augmentation, construction inspection, and construction support services for various County FEMA, HBP, PBMP and Capital Improvement Program projects. Current project assignments include: Greenwood Avenue Bridge Oakville Cross Road Bridge Devlin Road Extension Project Third Avenue Culvert Earthquake Repair Manley Lane Culvert Replacement Ridgecrest Drive Roadway Restoration Sunnyhill Drive Roadway Restoration Brookside Drive Over Conn Creek Storm Damage Repair Construction Value:… Read more: On-Call Engineering for Napa, CA

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 box girder on seat type abutments and 648-14” square Precast P/S Concrete Piles. Coordination included multiple projects in the vicinity of the project. This includes PG&E’s raising of power lines and Delta Water.  Consultant’s responsibilities: Provided Structures Representative on… Read more: Sperry Road Extension Project

ADKO Engineering provided preliminary engineering and PS&E for the Lewis Avenue Bridge, Structural Steel Truss Tied Arch in Atascadero. This aesthetically pleasing Tubular Steel Pipe Arch Truss Bridge in the City of Atascadero over Atascadero Creek. The bridge is approximately 164 feet long and 64 feet wide. The bridge’s concrete deck and structural members will be supported by suspension cables. This type of structure was used due to hydrology… Read more: Lewis Avenue Bridge

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 towns of Washington and Maybert (The town of Maybert no longer exists) and it has far exceeded its useful life. The newbridge was federally funded under the Highway Bridge Program since it has a sufficiency rating of… Read more: Maybert Road Bridge Replacement

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 Wide Flange Girder Bridge crossing Fagan Creek. The 1,000 feet roadway is supported on TDA. The bridge has three lanes, one northbound, one southbound and a center two-way left turn lane, totaling 40 feet (or 12-foot-wide lanes and 2-foot… Read more: Devlin Road Extension Bridge

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 roughened channel, and the lengthening of a four-cell box culvert.