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Fremont Bridge

Multnomah County, Oregon
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Fremont Bridge

Photo taken by Michael Goff

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Map 

Street Views 

View Uglybridges.com report

Facts 

Overview
Steel through arch bridge over Willamette River on I-405 in Portland
Location
Portland, Multnomah County, Oregon
Status
Open to traffic
History
Built 1973
Builders
- American Bridge Co. of New York (Steel Fabricator & Erector)
- Murphy Pacific Corp. (Contractor)
- Parsons Brinckerhoff (Consultant)
- Parsons, Brinckerhoff, Quade, & Douglas (Consultant Engineers)
Design
Steel through arch
Dimensions
Length of largest span: 1,255.3 ft.
Total length: 2,159.0 ft. (0.4 mi.)
Deck width: 68.0 ft.
Vertical clearance above deck: 18.3 ft.
Approximate latitude, longitude
+45.53794, -122.68274   (decimal degrees)
45°32'17" N, 122°40'58" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/524770/5042760 (zone/easting/northing)
USGS topographic map
Portland
Inventory numbers
OR 02529 (Oregon Dept. of Transportation structure number)
BH 29897 (Bridgehunter.com ID)
Inspection (as of 09/2010)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 76.0 (out of 100)
Average daily traffic (as of 2010)
116,700

Categories 

American Bridge Co. (449)
Arch (9,418)
Built 1973 (56)
Built during 1970s (495)
Double decker (32)
Functionally obsolete (7,038)
Have street view (9,889)
Multnomah County, Oregon (66)
Murphy Pacific Corp. (1)
Open (28,308)
 Oregon (689)
Owned by state (9,807)
Parsons Brinckerhoff (3)
Parsons, Brinckerhoff, Quade, & Douglas (1)
Portland, Oregon (34)
Span length over 1000 feet (105)
Steel through arch (175)
Tied Arch (41)
Total length 1000-2500 feet (1,213)
Willamette River (46)

Update Log 

  • October 4, 2010: New photos from Michael Goff
  • September 8, 2010: New Street View added by Michael Goff
  • April 20, 2009: Posted HAER photos
  • July 17, 2008: New photos from Michael Goff
  • July 8, 2008: Updated by Michael Goff
  • July 7, 2008: New photos from Michael Goff

Related Bridges 

Sources 

  • James Baughn - webmaster [at] bridgehunter [dot] com
  • Mike Goff - michael [dot] goff [at] hotmail [dot] com
  • Bridges of Portland - Ray Bottenberg, Arcadia Publishing, 2007
  • HAER OR-104 - Fremont Bridge, Spanning Willamette River, carrying Interstate 405, Portland, Multnomah County, OR
  • The Portland Bridge Book - Sharon Wood Wortman, Oregon Historical Society Press, 2001
  • Wikipedia - Fremont Bridge
  • American Bridge - Fremont Bridge Project Webpage

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