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 2015-16.

Total Miles

The county road system consists of:

  • 1,298 centerline miles (665 miles in urban areas and 631 miles in rural areas)
  • 3,014 lane miles (259 within cities and 2,755 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.

PCI chart

Bridges, Culverts, Guardrails and Vegetation Management

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

  • 188 bridges
  • 3,008 culverts
  • 863 shoulder miles of drainage ditches
  • 34 linear miles of guardrail

In FY 2015-16, the county trimmed 693 shoulder miles of roadside vegetation.

Customer Service Requests

In FY 2015-16, the county acted on 1,775 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