Rating:
5 votes

Morrison Bridge

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
Also called
Morrison Street Bridge
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
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 (as of 03/2015)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 53.9 (out of 100)
Average daily traffic (as of 2010)
53,835

Update Log 

  • 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 

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

Comments 

Morrison Street Bridge
Posted October 25, 2007, by Kevin Boyle (keb [at] obec [dot] com)

Your site lists Clackamas County for this bridge when in fact it is entirely in downtown Portland in Multnomah County.