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 images of road maps and has 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, Room 202, Survey Section Vault:
County Road [Record-includes commissioners orders, resolutions, and surveyor reports], no. 2037-3264, 1967-2009 (11 volumes);
[County Road Record-includes field notes, drawings, viewers reports, and establishment information], 1854-1902 (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, Room 202, Survey Section Workroom:
Road Index for 200' Scale Section Maps, n.d. (.10 cu.ft.);
Roads [Alphabetical Rolodex Index], n.d. (.25 cu.ft.).
Records at the Public Services Building, Suite 350, Long Range Planning Section Office, Cartography Area:
History/Archive [Comprehensive Plan Historical Documents and Maps-includes rural natural resources plan, urban plan, community plans, and transportation plan], ca.1973-present (6 binders);
Washington County 2020 Transportation Plan, 2002 (1 binder).
Records at the Public Services Building, Suite 350, Long Range Planning Section Office, Library:
Road Index [Washington County-includes maps], n.d. (1 volume);
Transportation Plan [Traffic Safety and Roadway Management Plan], 1978 (1 binder);
Transportation Plan Update, 2000-2002 (16 binders);
Washington County Transportation Plan, 1985 (1 binder); vol. XV, 1988 (1 volume).
Records at the Public Services Building, Suite 350, Long Range Planning Section 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 Public Services Building, Suite 240, Assessment & Taxation Department, Cartography Division Office:
[Highway and Railroad Right of Way Strip Maps-rolled], ca.1910-ca.1971 (ca.150 maps);
Hwy & RR Index Maps [Highway and Railroad], ca.1910-c.1971 (2 maps).
Records at the Walnut Street Center Building, Second Floor, Survey Section Road Survey Unit Office Area:
C.R. [Road Packets-County Road Case Files-includes road petitions, survey notes and plats, and related documents], no. A1/2-3286, 1850-present (60 cu.ft.);
Road Petitions Numbers [Register], 1892-present (1 volume);
Vacations [Road], no. 1-501, 1961-present (17 cu.ft.);
VAC [Road and Subdivision Vacations and Dedications], ca.1950-2004 (6 inches of microfiche).
Records at the Washington 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 Museum, Research Library and Archives:
[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:
County Road Search Tool [Searchable Database-includes petitions, orders, resolutions, vacations, and related records], n.d.-present (Internet);
Map Gallery [Miscellaneous Maps-includes election, environmental, general, land corner, land use, locational, planning, survey, and transportation], 2000-present (Internet);
Transportation Plan [Washington County], 2002-present (Internet);
Washington County Roads [includes transportation plan, road projects, bridge reports and related information], n.d.-present (Internet).