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  • 21 Aug, 2019

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Sauvie Island Bridge
The Wapato Bridge, formerly known as the Sauvie Island Bridge, crosses the Multnomah Channel of the Willamette River near Portland, Oregon, United States. The original Parker truss bridge, built in 1950 with a 200-foot (61 m) main span, was replaced with a tied arch bridge with a 360-foot (110 m) span in 2008 due to cracks discovered in 2001.

In November 2022, the Multnomah County Board of Commissioners voted to rename the bridge in honor of the Native Americans who originally lived on Sauvie Island. Subsequently, Wapato Bridge was chosen as the new name, and the change went into effect in November 2023.

Old bridge

Opened on December 30, 1950, the first bridge to Sauvie Island replaced the Sauvie Island Ferry. The $900,000 bridge, equivalent to $11.4 million today, was designed by the Oregon Department of Transportation and built by Gilpin Construction. Oregon transferred ownership to Multnomah County in 1951. Composed of three steel truss spans, it was a total of 1,198 feet (365 m) long, with the main span measuring 200 feet (61 m) in length. The approach spans were built of reinforced concrete girders. Green in color, the bridge was 41 feet (12 m) wide and carried two lanes of traffic and had sidewalks on both sides. The main span, a Parker truss, sat 80 feet (24 m) above the water line and handled an average of 3,800 vehicles per day.

New bridge

Old and new bridges, March 2008
A roadway-level view of the new bridge, with Mt. St. Helens in the background

After cracks were found in the 1950 span in 2001, Multnomah County restricted weight and speed on the bridge. Early designs for a new bridge were submitted in July 2004, and groundbreaking was held on January 4, 2006. The new $38 million span was designed by H2L2 Architecture with David Evans & Associates as the design engineers, and built by Max J. Kuney Company. Located at river mile three, the main span is 360 feet (110 m) long and rests 80 feet (24 m) above the water. The main span is of a tied arch design constructed of steel, while the approach spans are a box-girder style using pre-stressed concrete. The bridge has two lanes of traffic with shoulders and sidewalks on both sides for a total width of 66 feet. The bridge was floated into place after it was constructed.

In March 2006, then-city commissioner Sam Adams proposed reusing the Sauvie Island bridge span as a bicycle/pedestrian bridge over Interstate 405 in downtown Portland, as part of the Burnside/Couch Transportation and Urban Design Plan. A coalition of Portland community groups including the Pearl District Neighborhood Association and the Bicycle Transportation Alliance supported the idea. Adams ultimately retracted the proposal, realizing the cost would likely be more than the $5.5 million he had originally stated.

The $43 million new bridge opened June 23, 2008. The old bridge was removed in August 2008 and was scrapped at Schnitzer Steel Industries.

In November 2023, following a vote by the county's board of commissioners a year earlier, the Sauvie Island Bridge was renamed Wapato Bridge, in honor of the Native Americans who originally lived on the island.

See also

References

  1. ^ KATU Staff (November 30, 2023). "Sauvie Island crossing renamed Wapato Bridge to reflect history of indigenous people". KATU. Retrieved December 1, 2023.
  2. ^ Egener, Max (November 18, 2022). "Sauvie Island Bridge to be renamed for Indigenous people". Portland Tribune. Archived from the original on November 19, 2022. Retrieved November 18, 2022.
  3. ^ Garcia, Isabella (November 17, 2022). "Multnomah County Board Seeks to Rename Sauvie Island Bridge". Portland Mercury. Retrieved November 18, 2022.
  4. ^ Del Savio, Anna (November 30, 2023). "Bridge to Sauvie Island renamed Wapato Bridge". Portland Tribune. Archived from the original on December 13, 2023. Retrieved November 18, 2022.
  5. ^ 1634–1699: McCusker, J. J. (1997). How Much Is That in Real Money? A Historical Price Index for Use as a Deflator of Money Values in the Economy of the United States: Addenda et Corrigenda (PDF). American Antiquarian Society. 1700–1799: McCusker, J. J. (1992). How Much Is That in Real Money? A Historical Price Index for Use as a Deflator of Money Values in the Economy of the United States (PDF). American Antiquarian Society. 1800–present: Federal Reserve Bank of Minneapolis. "Consumer Price Index (estimate) 1800–". Retrieved February 29, 2024.
  6. ^ Wortman, Sharon Wood, Ed Wortman, and James B. Norman. 2006. The Portland Bridge Book. Portland, OR: Urban Adventure Press. ISBN 978-0-9787365-1-4. pp. 102-104.
  7. ^ Rivera, Dylan (October 8, 2008). "Bridge design is key". The Oregonian.
  8. ^ "Oregon Department of Transportation : Home : State of Oregon".
  9. ^ "Is the Sauvie Island Bridge Worth Saving?", CommissionerSam.com Archived May 9, 2007, at the Wayback Machine
  10. ^ "Pearl wants Sauvie Bridge" by Andy Giegerich, Portland Business Journal, July 20, 2007
  11. ^ Griffin, Anna (May 25, 2008). "Making Portland be all it can be". The Oregonian.
  12. ^ Maus, Jonathan (May 7, 2008). ""With a heavy heart" Adams explains Sauvie decision". BikePortland.org.
  13. ^ "Sauvie Bridge opens to traffic". Daily Journal of Commerce. June 24, 2008. Retrieved February 8, 2010.
  14. ^ Tucker, Libby (August 18, 2008). "Adios, old Sauvie bridge". Daily Journal of Commerce. Retrieved June 21, 2009.
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