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Elisabeth C. Miller Library — Seattle Botanic Gardens

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1.1.15.80.Washington Park Arboretum and SR-520 Bridge Replacement

Date statement: 2005-2008
Summary:
4 document rolls
Description:
Number: 2/8-2
Washington Park Arboretum, State Route 520 Bridge Replacement
Document type: proposal map
Date: January 2008
Creator: Washington State Department of Transportation
Description:
--Printed: Proposed Mediation Concept G: 6-lane tunnel through the Arboretum 
--Handwritten: Draft 2-1-08
--Cataloger observations: 
Extent: 1 page
Material: paper
Size: 24-inch roll
Additional info: shows north end of Washington Park Arboretum

Number: 2/8-3
Washington Park Arboretum, State Route 520 Bridge Replacement
Document type: preliminary design
Date: November (2008?)
Creator: Washington State Department of Transportation
Description:
--Printed: Montlake & Pacific Intersection depressed roadway with raised pedestrian crossing
Preliminary
--Cataloger observations: 
Extent: 1 page
Material: paper
Size: 24-inch roll
Additional info: map shows part of Union Bay Natural Area

Number: 2/8-4
Washington Park Arboretum, State Route 520 Bridge Replacement
Document type: alternative plans
Date: June 2008
Creator: Washington State Department of Transportation
Description:
--Printed: Alternative A, Alternative A with Second Bascule Bridge, Alternative K, and Alternative L
--Cataloger observations: 
Extent: 4 pages
Material: paper
Size: 24-inch roll
Additional info: maps show north end of Washington Park Arboretum and designs for new lid

Number: 2/8-5
Washington Park Arboretum, State Route 520 Bridge Replacement
Document type: alternative plans
Date: April 25, 2005 (on Montlake page)
Creator: Washington State Department of Transportation, Parametrix, Sound Transit
Description:
--Printed: 6-lane alternative: Montlake (no Montlake freeway transit stop), SR 520/Fairview Link, 6-lanes with Pacific Street interchange, and proposed 4-lane west approach.
--Cataloger observations: 
Extent: 4 pages
Material: paper
Size: three 11x17 sheets, one 8.5x11 sheet
Additional info: maps show north end of Washington Park Arboretum and designs for new bridge interchanges
Record ID # 792  ·  Accession date: 2025-02-25  ·  Last updated: 2026-09-06 18:56 PDT
Subjects: University of Washington, Washington Park Arboretum
Names: Washington State Department of Transportation
LocationNote
Elisabeth C. Miller Library, Archives office [1]Area 2/8