Oregon Historical County Records Guide
Washington County Records Inventory
Road and Bridge Records
Series documents the development, construction, maintenance, and improvement of county roads and bridges. Records include bonds, general road and highway maps, petitions to have roads constructed or altered, notices, complaints, vacation records, and correspondence. Information includes road numbers and names and descriptions of the activity occurring on the road. Information concerning county roads may be available on the Integrated Road Information System (IRIS) at the county road office. Technical road survey maps may be found in the series titled Road Maps and Survey Notes.
The searchable iSpirits research tool includes a map layer that displays streets.
Records at the Oregon State Archives:
Road and Bridge Records [includes road petitions, reports, and correspondence], 1848-1882 (.20 cu.ft.);
Road and Bridge Records [Memorandum of Bridges-includes an inventory of bridge conditions], 1881 (1 volume).
Records at the Public Services Building, Suite 200, Survey Division Vault:
County Road [Record-includes commissioners orders, resolutions, and surveyor reports], no. 2037-3243, 1967-present (11 volumes);
[County Road Record-includes field notes, drawings, viewers reports, and establishment information], 1852-1902 (1 volume);
Record of County Roads [includes commissioners orders, resolutions, surveyor reports, plats, viewers reports, and related information-no. 6 to 2036-title varies], vol. 2-9, 1876-1967 (8 volumes);
[Rural Address Development Maps], ca.1992 (ca.5 cu.ft.).
Records at the Public Services Building, Suite 200, Survey Division Public Research Area:
Address Maps [Street and Road], n.d.-present (7 cu.ft.);
Section Maps [indexes subdivisions, condominiums, partitions, dedications, vacations, city limit boundaries, and county road numbers], ca.1990-present (ca.6 cu.ft.).
Records at the Public Services Building, Suite 200, Survey Division Main Office:
County Roads [Numerical Index Cards-includes establishment and survey information], no. CRA1-CR3166, 1850-ca.2005 (1 cu.ft.);
County Roads [Records-includes survey and establishment information], no. CRA1-CR3185, 1850-ca.2005 (24 inches of microfiche);
VAC [Road and Subdivision Vacations and Dedications], ca.1950-present (6 inches of microfiche).
Records at the Public Services Building, Suite 350, Long Range Planning Division Office, Map Cabinet:
[Miscellaneous Maps-includes urban growth boundary expansion, transportation, flood emergency, wetlands, geology, topographical, election precinct], ca.1967-present (ca.200 maps).
Records at the Walnut Street Center Building, Second Floor, Land Use and Transportation Department Civil Survey Office Area:
C.R. [Road Packets-County Road Case Files-includes road petitions, survey notes and plats, and related documents], no. A1/2-3243, 1850-present (43 cu.ft.);
Road Petitions Numbers [Register], 1892-present (1 volume).
Records at the Walnut Street Center Complex, Building E, County Historical Records Vault:
Bridge Specifications and Contracts, 1895-1901 (.65 cu.ft.);
Clerk's Road Ledger, vol. C, 1925-1926 (1 volume);
County Court Judge's Correspondence [includes road petition-box 4], 1958 (.05 cu.ft.);
District Roads & Special Road Districts [Record], 1923-1929 (7 volumes);
Ledger Roads R & H, vol. A-B, 1914-1916 (2 volumes);
Road District Ledger, vol. 1, 1915-1916 (1 volume); 1919-1935 (1 volume);
Road Supervisor's Petitions, Oaths and Bonds, 1904-1929 (.35 cu.ft.).
Records at the Washington County Historical Museum:
[Miscellaneous Maps and Plans-includes land claim, Sanborn insurance, topographical, transportation, vicinity, subdivision, and other topics], ca.1850-ca.1985 (ca.1500 maps).
Records at the Washington County Web Site:
Transportation Plan [Washington County], 2002-present (Internet);
Washington County Roads [includes transportation plan, road projects, bridge reports and related information], n.d.-present (Internet).