Rating:
3 votes

I-5 - Interstate Bridge (Southbound)

Multnomah County, Oregon, and Clark County, Washington

Photos 

I-5 - Interestate Bridge (Southbound)

from the northwest facing the southbound bridge

Photo taken by Michael Goff

View larger version

BH Photo #227934

Map 

Street Views 

Facts 

Overview
Parker through truss bridge over Columbia River on Southbound I-5
Location
Portland, Multnomah County, Oregon, and Clark County, Washington
Status
Open to traffic
History
Built 1958
Builders
- Guy F. Atkinson Co. (Contractor)
- P. Mervyn Stephenson (Bridge Engineer)
Design
Vertical lift with Parker through trusses
Dimensions
Length of largest span: 530.9 ft.
Total length: 3,538.2 ft. (0.7 mi.)
Deck width: 40.0 ft.
Approximate latitude, longitude
+45.61806, -122.67556   (decimal degrees)
45°37'05" N, 122°40'32" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/525294/5051663 (zone/easting/northing)
Quadrangle map:
Portland
Average daily traffic (as of 2014)
128,400
Inventory numbers
OR 07333 (Oregon Dept. of Transportation structure number)
BH 51746 (Bridgehunter.com ID)
Inspection report (as of July 2016)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 46 (out of 100)
View more at BridgeReports.com

Categories 

Built 1958 (339)
Built during 1950s (3,643)
Clark County, Washington (27)
Columbia River (37)
Former toll (29)
Guy F. Atkinson Co. (2)
Have street view (25,199)
Interstate 5 (38)
Movable (2,833)
Movable Bridges on the Interstate Highway System (7)
Multnomah County, Oregon (113)
Navigable waterway (2,090)
Open (38,091)
Oregon (1,097)
Owned by state (15,030)
 P. Mervyn Stephenson (7)
Parker through truss (1,220)
Parker truss (1,587)
Portland, Oregon (68)
Riveted (2,038)
Span Drive Vertical Lift (90)
Span length 500-1000 feet (372)
State line crossing (782)
Through truss (13,913)
Total length over 2500 feet (810)
Truss (31,052)
Vertical lift (412)
Waddell Vertical Lift (28)
Washington (1,198)

Update Log 

  • October 26, 2018: New photos from Mike Goff
  • January 24, 2018: New photos from Mike Garland
  • January 19, 2018: New photos from Mike Garland
  • October 16, 2014: New photos from Royce and Bobette Haley
  • October 4, 2014: New photo from Douglas Butler
  • March 19, 2012: Added by Michael Goff

Related Bridges 

Sources 

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Comments 

I-5 - Interstate Bridge (Southbound)
Posted October 10, 2018, by Leslie R Trick (Leslie [dot] Trick [at] gmail [dot] com)

Well Lawmakers are back talking about replacement it would be bad to see this bridge replaced by a UCEB.

https://www.seattletimes.com/seattle-news/politics/oregon-ho...

I-5 - Interstate Bridge (Southbound)
Posted April 12, 2017, by Mike Goff (michael [dot] goff [at] hotmail [dot] com)

I found this while going through some of my grandparents old trinkets. These tokens were used after the construction of the southbound bridge in 1958 and the toll was lifted in 1966.

I-5 - Interstate Bridge (Southbound)
Posted August 6, 2013, by Douglas Butler (drawbridges [at] lycos [dot] com)

Interstate Bridge drawing Southbound.

Webmaster's note: The photo that was here has been incorporated into the main site.