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Oregon Historical County Records Guide

Multnomah County Records Inventory

Road and Bridge Records

1855-[ongoing]

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.

Records at the Multnomah County Bridge Section Office, Map Room:
[Bridge Plan Numerical Register], ca.1890-ca.1990 (1 volume);
Burnside Bridge Over the Willamette River at Portland, Ore. [Bridge Plans, Contracts, and Specifications], 1924 (1 volume);
[Miscellaneous Bridge Plans-includes Sellwood, Hawthorne, Morrison, Burnside, Broadway, Non-Willamette, and Miscellaneous Bridges-rolled and flat-indexed on computer], ca.1890-present (ca.8000 drawings).

Records at the Yeon Annex Building, Suite 123, Surveyor's Office:
Multnomah County Road Index [indexes maps and field books-numerical by road number], ca.1855-ca.1990 (1 binder);
Record of Roads [includes surveyor and road viewers' reports, survey notes, orders, petitions, and related documents], no. 344-1899, vol. 2-5, 1883-1952 (4 volumes);
Road Record [includes surveyor and road viewers' reports, survey notes, orders, petitions, and related documents], vol. 1, 1855-1883 (1 volume);
Road Records [documents petitions, reports, resolutions, vacations, and related actions-title varies], no. 61-527, 1869-1871 (1 volume); no. 528-692, 1891-1913 (1 volume); no. 700-968, 1902-1920 (1 volume); no. 969-1238, 1920-1930 (1 volume); no. 1239-4822, vol. 4-9, 1930-1972 (6 volumes).

Records at the Yeon Building, Transportation Central Files Room 222:
[Road and Bridge Agreements], ca.1897-present (22 cu.ft.);
[Road and Bridge Contracts], ca.1995-present (23 cu.ft.);
[Road Proceedings Files-includes deeds, orders, resolutions, and related records], 1855-present (86 cu.ft.).

Records at the Yeon Building, Room B2:
[Road Construction Contract Rolodex Index], ca.1915-ca.1987 (.15 cu.ft.);
[Road Construction Contracts], ca.1915-ca.2002 (ca.120 cu.ft.).

Records at the Yeon Building, Room B3:
[Bridge Contracts], ca.1895-1998 (40 cu.ft.);
[Bridge Records-includes board orders, deeds, ordinances, and rights-of-way for Willamette River bridges and ramps], ca.1895-present (60 cu.ft.).

Records at the Yeon Building, Room B4:
[Road Construction Specifications and Contracts], 1914-1929 (3 cu.ft.).

Records at the Yeon Building, Area Near Room B14:
Kardex [Road Index-indexes road maps, field books, petitions, projects, and related information], ca.1866-ca.1995 (12 cu.ft.).

Records at the Yeon Building, Microfilm Cabinet Near Room B15:
[Road Proceedings-includes petitions and vacations], no. A3-A223, 10-4698, 1876-1980 (35 reels of microfilm);
[Roads and Vacations Records-includes actions related to the county vacating roads to cities], 1924-1952 (24 reels of microfilm).

Records at the Yeon Building, Vault Room B16:
Field Book Contents [indexes P Books-Preliminary Road and Bridge Construction Field Books], ca.1919-ca.1987 (2 binders);
[Miscellaneous Flat File Road Related Maps and Plans-F Series-includes road, bridge, sewer, and railroad information], ca.1939-ca.1985 (ca.600 maps and drawings);
Misc. [Miscellaneous Road and Bridge Field Books-includes field notes, bridge inspection notes, indexes, and logs], ca.1904-ca.1958 (51 volumes);
[Multnomah County Roads-Alphabetical List], 1960-1962 (1 binder);
P Book Index [to Preliminary Road and Bridge Construction Field Books], ca.1919-ca.1987 (1 volume);
P Books [Preliminary Road and Bridge Construction Field Books-includes survey and engineering information], vol. 1-1237, ca.1919-ca.1987 (1237 volumes).

Records at the Yeon Building, Surveyor's Archives Room B17:
Multnomah County Index for Roads, 1951-1976 (1 volume).

Records at the Yeon Building, Multnomah County Archives:
Bridge Journals [Proceedings Record], 1913-1959 (9 volumes);
Columbia River Interstate Bridge Commission [Minutes of joint Multnomah County and Clark County, Washington Commission-with index], vol. 1-3, 1913-1937 (3 volumes);
County Clerk's Recorded Docs. [Documents-includes miscellaneous road and bridge records such as petitions, applications, easements, deeds, agreements, and survey notes], 1863-1960 (5.30 cu.ft.);
[County Road Construction Maps and Plans-includes bridge plans], ca.1915-ca.1970 (ca.400 maps and plans);
[Road Action Register Cards-arranged numerically by road number], no. 3487-4604, ca.1926-ca.1974 (1.50 cu.ft.);
Surrender Jurisdiction Roads [Vacation Register], 1957-1973 (1 volume).

Records at the Yeon Building, Multnomah County Records Center, Microfilm Cabinet:
Alphabetical Index of Numbered Roads [Card], n.d.-ca.1978 (1 cu.ft.);
Bridge Files Blueprints & Maps, 1913-1965 (1 reel of microfilm);
Bridge Files [Case Files], 1913-1978 (9 reels of microfilm);
Road Files [includes petitions, vacations, and other actions-with index], vol. 1-30, 1913-1991 (19 reels of microfilm).

Records at the Multnomah Building, Suite 175, Cartography Area:
Road Orders, 1937-1987 (3 reels of microfilm);
[Road Proceedings-includes petitions and vacations], 1876-1980 (35 reels of microfilm).

Records at the Multnomah County Central Library:
Burnside Bridge [Technical Drawings-blueprints], 1924 (37 drawings);
County Road Map of Multnomah County Oregon, ca.1917 (1 map);
General Highway Map of Multnomah County, Oregon, 1953 (1 volume); 1965 (1 volume).

Records at the City of Portland Archives & Records Center:
Former County Road Files [includes road deeds, plans, specifications, reports, and contracts], 1900-2002 (76 cu.ft.).

Records at the Oregon Historical Society:
Mss. 1772 Hawthorne Bridge [Records-includes daily drawbridge reports, accident reports, and monthly operation reports], 1918-1974 (7 cu.ft.);
Mss. 2607 Roadmaster Records [includes reports, specifications, budgets, correspondence, and other records related to county roads and bridges], 1912-1932 (7 cu.ft.).

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