Morrison Street Bridge (1958)

Photos 

Morrison Bridge

Photo taken by Michael Goff on July 6, 2008

Enlarge

BH Photo #116649

Map 

Street Views 

Facts 

Overview

Bascule bridge over Willamette River on Morrison Street in Portland

Location

Portland, Multnomah County, Oregon

Status

Open to traffic

History

Built 1958

Builders

- American Bridge Co. of New York (Steel Erector)
- Manson Construction (Contractor)
- Moffatt, Nichol and Taylor (Engineers)
- Sverdrup & Parcel of St. Louis, Missouri (Designer)

Design

Double leaf Chicago style bascule lift

Dimensions

Length of largest span: 339.9 ft.
Total length: 759.9 ft.
Deck width: 78.1 ft.
Vertical clearance above deck: 16.6 ft.

Recognition

Posted to the National Register of Historic Places on November 14, 2012

Approximate latitude, longitude

+45.51750, -122.66972   (decimal degrees)
45°31'03" N, 122°40'11" W   (degrees°minutes'seconds")

Approximate UTM coordinates

10/525795/5040493 (zone/easting/northing)

Quadrangle map:

Portland

Average daily traffic (as of 2010)

53,835

Inventory numbers

OR 02758 (Oregon Dept. of Transportation structure number)
NRHP 12000933 (National Register of Historic Places reference number)
BH 29882 (Bridgehunter.com ID)

Inspection report (as of March 2018)

Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 55 (out of 100)
View more at BridgeReports.com

Categories 

Update Log 

• October 26, 2018: New photo from Mike Goff
• April 5, 2018: New photos from Richard Doody
• March 15, 2018: New photos from John Bernhisel
• October 29, 2014: New photo from Royce and Bobette Haley
• October 17, 2014: New photos from Royce and Bobette Haley
• July 10, 2014: New photos from Andrew Raker
• September 8, 2010: New Street View added by Michael Goff
• April 20, 2009: Posted HAER photos
• July 10, 2008: New photos from Michael Goff
• July 8, 2008: Updated by Michael Goff
• July 7, 2008: Updated by Michael Goff

Related Bridges 

• Burnside Bridge-Center Section (1926) (Downstream)
• Hawthorne Bridge (1910) (Upstream)
• Morrison Street Bridge (1905) (Predecessor)

Sources 

• James Baughn - webmaster [at] bridgehunter [dot] com
• Mike Goff - michael [dot] goff [at] hotmail [dot] com
• HAER OR-100 - Morrison Bridge, Spanning Willamette River on Morrison & Alder Stre, Portland, Multnomah County, OR
• Bridges of Portland - Ray Bottenberg, Arcadia Publishing, 2007
• The Portland Bridge Book - Sharon Wood Wortman, Oregon Historical Society Press, 2001
• Wikipedia - Morrison Street Bridge
• Douglas Butler
• Andrew Raker
• Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com
• John Bernhisel - Johnmbernhisel [at] gmail [dot] com
• Richard Doody

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