Aaron Simmons

Aaron Simmons, PE
County Engineer

Phone: (509) 884-7173

140 19th Street NW, Suite A
East Wenatchee, WA 98802

Office Hours: 7:00 am to 5:00 pm

Douglas County Transportation is interested in your comments and suggestions about our website or in general. We appreciate your taking the time to write to us. Please let us know if there is information that you think should be or would like to have included, and any concerns you may have relating to County roads. 
Email questions/comments


Adoption of Department of Transportation and Land Services Flight and Operation Policies for Unmanned Aerial Systems

Douglas County is responsible for over 1640 miles of county roadway and adjacent right-of-way, through maintenance, preservation, design and construction. Unpaved miles includes 1207 miles of rural roadways

The Douglas County Transportation is comprised of Road Maintenance Operation, Engineering and Surveying Section, Development Review Section, Storm Water Utility Program, Utility Inspection program, Environmental and Road Log Data, Geographical Information Systems, and ER&R (Equipment Rental & Rates) program. All sections or programs are committed to our responsibility to provide safe, economical, and environmentally sound public road facilities and services

Departmental Responsibilities

  • Road Maintenance (road grading, asphalt overlays, bridge maintenance, snow removal, stormwater & vegetation control, signing & striping)
  • Road & Bridge Design, and environmental compliance
  • Construction Surveying
  • Construction Inspection
  • Right-Of-Way
  • Road & Bridge Inventory
  • Pavement Management
  • Storm Water Utility
  • Quarries & Stockpiles, Aggregate Production & Inventory
  • Traffic Counts
  • Transportation Planning
  • GIS, County Road Map
  • Public Information
MRSC Rosters

Douglas County uses the MRSC Rosters contracting directory for our Small Works and On-Call Professional Services. In order to be eligible to work on projects using a roster process, you are required to register your company at and select Douglas County in your account.  There is no charge for registration and use of this service.   If you are already registered, simply select Douglas County in your account.

For registration questions, please contact MRSC Rosters at or 206-436-3798.
If you have questions regarding the Small Works Roster, please contact Tiana Rowland at  or 509-745-8537.  If you have questions regarding On-Call Professional Services, please contact Carol Hardie at or 509-884-7173.