Located in Sacramento (Rancho Cordova), Modesto and Fresno
27 Registered Professional Engineers
65 Completed Projects
$10 million Annual Volume
Zero Litigation, Claims, Settlements
Mission: Client Satisfaction
North County Corridor | Stanislaus County
DHA is leading the Project Approval & Environmental Documentation phase for the new SR 108 freeway/expressway through the cities of Modesto, Riverbank, and Oakdale. This $400 million project will create a new east-west freeway/expressway through Northern Stanislaus County.
Sacramento City College Pedestrian and Bicycle Bridge | City of Sacramento
DHA designed a pedestrian and bicycle bridge over the UPRR tracks to provide safe access between Sacramento City College/Regional Transit Light Rail Station and the Curtis Park neighborhood. The award winning project was completed May 25, 2016.
DHA’s water resources experience ranges from large industrial food processors to small rural water systems. Our staff specialize in the following:
Water and Wastewater Master Planning
Wastewater Collection and Conveyance
Water Supply Transmission, Storage, and Distribution
Wastewater Treatment, Reuse, and Disposal
Condition Assessment and Asset Management
R Street Improvements | City of Sacramento
DHA is authoring the community impact, visual assessment, and Section 4(f) technical studies for the third phase of the R Street Improvements project. The Historic R Street Corridor is undergoing infrastructure improvements to enhance multi-modal transportation.
SR 99/Feather River Blvd Interchange | Yuba County
DHA provided construction inspection services for the new SR 70/Feather River Blvd Interchange in Yuba County. Once finished, this project will result in removal of the last at-grade signalized intersection on SR 70 between Highway 99 and SR 65.
Capital Southeast Connector | Capital Southeast Connector JPA
As the Project Manager and Program Manager for the Connector JPA, DHA completed the Plan of Finance for one of the Sacramento region’s largest transportation projects. The Southeast Connector will be a 34-mile long expressway/thoroughfare spanning from I-5 (Elk Grove) to Highway 50 (El Dorado Hills).