Washington County Roads: By the Numbers

An overview of the road system maintained by Washington County's Department of Land Use & Transportation. All figures are for FY 2016-17.

Total Miles

The county road system consists of:

  • 1,297 centerline miles (668 miles in urban areas and 629 miles in rural areas)
  • 3,040 lane miles (304 within cities and 2,736 outside cities)

Pavement Condition

The Pavement Condition Index (PCI) is a numerical rating between 0 and 100 to indicate the condition of a road's structure and surface.

The average target PCI for the county's arterial and collector roads is 77, considered "good" by industry standards.

17-18 PCI Chart

Bridges, Culverts, Guardrails and Vegetation Management

In addition to paved and gravel roads, the county maintains and repairs:

  • 183 bridges
  • 3,035 culverts
  • 863 shoulder miles of drainage ditches
  • 178,844 shoulder feet of guardrail

Customer Service Requests

In FY 2016-17, the county acted on 3,264 customer-initiated requests for road service. Most requested were vegetation management, trash and debris removal, repair of potholes and rough roads, gravel road grading and drainage management.


Additional resources:

  • Annual Reports from the Department of Land Use & Transportation
  • Washington County traffic counts
  • wc-roads, for road news, current and scheduled road work, road closures and traffic advisories