Historic Bridges of the U.S. | Hawthorne Avenue Bridge

Photos

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Hawthorne Bridge

Photo taken by Michael Goff on July 6, 2008

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Hawthorne Bridge

with Downtown Portland

Photo taken by Michael Goff on September 29, 2008

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Hawthorne Bridge - East End

Photo taken by Michael Goff on September 29, 2008

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Hawthorne Bridge - Lift Span

Photo taken by Michael Goff on September 29, 2008

Overview: Vertical lift bridge over Willamette River on Hawthorne Avenue in Portland
Location: Portland, Multnomah County, Oregon
Status: Open to traffic
History: Built 1910; Rehabilitated 1944, Rehabilitated & Painted in 1999
Builders: - United Engineering and Construction
- Waddell & Harrington
- Wakefield & Jacobson
Design: The Hawthrone Bridge is the oldest operational vertical lift bridge in the United States and the oldest large span highway bridge in Oregon. It is also the busiest bicycle and transit bridge in Oregon, with over 4,800 cyclists and 750 Tri-Met buses daily.
Dimensions: Length of largest span: 251.0 ft.
Total length: 1,382.9 ft.
Deck width: 43.6 ft.
Vertical clearance above deck: 15.7 ft.
Recognition: Eligible for the National Register of Historic Places
Approximate latitude, longitude: +45.51306, -122.67083 (decimal degrees)
45°30'47" N, 122°40'15" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/525710/5039999 (zone/easting/northing)
USGS topographic map: Portland
Inventory number: BH 29877 (Bridgehunter.com ID)
Inspection (as of 10/2004): Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 68.3 (out of 100)
Average daily traffic (as of 2004): 24,864