Photos 

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Morrison Bridge

July 6, 2008

Photo taken by Michael Goff in July 2008

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Morrison Bridge

July 10, 2008

Photo taken by Michael Goff in July 2008

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Lift Span Deck View

July 10, 2008

Photo taken by Michael Goff in July 2008

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Morrison Bridge

July 10, 2008

Photo taken by Michael Goff in July 2008

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Map 

Vicinity Map

Vicinity map

Map links:

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")
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

Categories 

American Bridge Division of the U.S. Steel Co. (1)
Bascule (440)
Built 1958 (128)
Built during 1950s (1,405)
Manson Construction (1)
Moffatt, Nichol and Taylor (1)
Movable (858)
Multnomah County, Oregon (37)
Open (21,663)
Oregon (397)
Owned by county (14,182)
Portland, Oregon (17)
Span length 250-500 feet (578)
Steel grate deck (355)
Sverdrup and Parcel (7)
Total length 500-1000 feet (1,002)
Willamette River (16)

Update Log 

Sources 

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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.