Oregon Historical County Records Guide

Clackamas 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.

Newer road engineering case files and related records are imaged and maintained in the county's ApplicationXtender software.

Records at the Oregon State Archives:
Bridge Construction Contracts, 1913 (.10 cu.ft.); 1930-1931 (.20 cu.ft.);
Bridge Construction [Records], 1913-1931 (.30 cu.ft.);
County Court Bridge Petitions, 1860-1870 (.10 cu.ft.);
County Court Commissioners Docket [Orders Related to Roads], 1927 (1 volume);
County Court Process Records [Administrative-includes road reports, county officials reports, correspondence, bills, etc.], 1861-1925 (21 cu.ft.);
County Court Road Correspondence, 1908-1941 (1 cu.ft.);
Highway Commission Correspondence, 1927-1928 (.10 cu.ft.);
Road District Boundary Record, n.d. (1 volume);
Road District List of Names Subject to Tax, 1874 (.10 cu.ft.);
Road District Meeting Petitions, 1917-1930 (1 cu.ft.);
Road District Minutes, 1917-1921 (.15 cu.ft.);
Road District Petitions, 1879-1926 (.40 cu.ft.);
Road District Supervisor's Reports, 1855-1913 (3 cu.ft.);
Road District Supervisor's Work Reports, 1855-1883 (1.30 cu.ft.).

Records at the Clackamas County Development Services Building, Surveyor's Office File Room 311:
County Roads [Case Files-includes field notes, petitions, vacations, and related records], no. 1-3435, ca.1847-present (35 cu.ft.);
Deeds [Old Road Deeds], ca.1844-ca.1960 (2 cu.ft.);
Front [County Roads Register-alphabetical], ca.1847-ca.1949 (1 binder);
Index of Roads [by township and range-with index], n.d. (1 volume);
Index to File Drawers A Thru Z [indexes A to Z Letter Series maps, DTM plats, LP corner maps, and some surveys], ca.1853-ca.1985 (1 binder);
[Miscellaneous Maps and Plats-formerly "A-Z Letter Series," now "SN series"-includes road, bridge, subdivision, corner restoration, survey, and miscellaneous maps and plats], ca.1853-ca.1990 (ca.2000 maps and plats);
Old Road Cards [Deed and Description Reference], ca.1888-1981 (.60 cu.ft.);
[Old Roads Prior to 1864-Register-includes survey and establishment information], ca.1846-1983 (1 binder);
[Pigeon Hole Maps-Miscellaneous Rolled Maps-includes road, road survey, railroad, Oregon Territory, etc.-with index], ca.1850-ca.1992 (ca.300 maps);
Record of Roads [includes field notes, drawings, orders, vacations, and related records-documents road numbers 1-3381-title varies], vol. 1-11, 1864-1983 (11 volumes);
[Road & Bridge Records], n.d. (58 sheets of microfilm jackets);
Road Index [Name and Number], 1985 (1 volume); 1992 (1 volume);
Road Maps Clackamas County, 1997 (1 volume); 2001 (1 volume);
Road Register [volumes 2-4 with index], vol. 0-4, 1862-2008 (5 volumes);
Roads Alphabetical [Index], n.d. (1 binder);
Roads County Roads [Established Roads Numerical Register-with index], ca.1847-ca.1949 (1 binder);
Subdivision Plat Vacation Books [includes road vacations], no. 1-2632, 1869-1983 (4 volumes).

Records at the Clackamas County Development Services Building, Surveyor's Office Suite 325, Public Research Area:
County Road Books [Record of Roads-includes field notes, drawings, orders, vacations, and related records-documents road numbers 1-2719], vol. 1-10, 1864-1963 (25 inches of aperture cards);
County Roads Notes [Case Files-includes field notes, petitions, vacations, and related records], no. 1-3416, ca.1847-ca.1998 (36 inches of microfiche).

Records at the Clackamas County Development Services Building, Engineering Office Plotter Room 345:
County Roads [Engineering Case File Card Index], ca.1853-n.d. (.50 cu.ft.);
Road Files By Number [Road Engineering Case Files-includes copies of deeds, road vacations, subdivision and partition plats, maps, plans, easements, legal descriptions, and related records], no. 12001-72003, ca.1853-ca.1997 (40 inches of microfiche);
Road Index, n.d.-2004 (1 binder);
Road Maps Clackamas County, 1978 (1 volume); 1982 (1 volume); 1985 (1 volume); 1991 (1 volume); 1994 (1 volume); 1997 (1 volume); 2001 (1 volume);
Road Vacations [Records], ca.1975-ca.1991 (2 inches of microfiche).

Records at the Clackamas County Bridge Maintenance Building, Records Loft:
[Bridge Inventory Inspection Record-includes drawings and photographs-water damaged], no. 6175-6575, 1940 (2 volumes);
[Bridge Maintenance Case Files-includes inspection reports as well as records documenting load rating, scour analysis, and related data-with gaps], no. 1214-21339, ca.1979-present (27 cu.ft.);
Bridge Plans Misc. [includes bridge plans, tracings, details, photocopies, and related records], ca.1920-2010 (ca.200 drawings);
Bridge Plans [with gaps], no. 1214-21478, ca.1920-present (ca.1100 drawings);
[Bridge Record Cards-incudes inspection and maintenance information and photographs], ca.1950-ca.1967 (.60 cu.ft.);
Ferry [Plans-Canby], ca.1950-ca.1997 (ca.100 drawings).

Records at the Clackamas County Archives:
County Court [Commissioners Journal Administrative Records-includes orders and road petitions], 1927-1929, 1941-1942 (1 cu.ft.).

Records at the Clackamas County Archives, Security Microfilm Storage:
Road Files [Case], n.d. (47 reels of microfilm).

Records at the Clackamas County Web Site:
Clackamas County Road Map, 2011 (Internet);
Transportation Engineering Maps [includes classification, bikeway, pedestrian, and urban area freight], ca.2008-present (Internet).


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