Photos
 |
Morrison Bridge Photo taken by Michael Goff on July 6, 2008 |
 |
Morrison Bridge Photo taken by Michael Goff on July 10, 2008 |
 |
Lift Span Deck View Photo taken by Michael Goff on July 10, 2008 |
 |
Morrison Bridge Photo taken by Michael Goff on July 10, 2008 |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
 |
Photo taken by Historic American Engineering Record |
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 Division of the U.S. Steel Co. (Steel Erector)
- Manson Construction (Contractor)
- Moffatt, Nichol and Taylor (Engineers)
- Sverdrup and Parcel (Engineers)
- Design
- Bascule
- 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.
- 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)
- USGS topographic map
- Portland
- Inventory number
- BH 29882 (Bridgehunter.com ID)
- Inspection (as of 10/2004)
- Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Appraisal: Not deficient
Sufficiency rating: 79.3 (out of 100) - Average daily traffic (as of 2004)
- 52,267
Update Log
- 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
Sources
- James Baughn - webmaster [at] bridgehunter [dot] com
- Michael Goff - michael [dot] goff [at] odot [dot] state [dot] or [dot] us
- HAER OR-100 - Morrison Bridge, Spanning Willamette River on Morrison & Alder Stre, Portland, Multnomah County, OR