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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

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Map 

Vicinity Map

Vicinity map

Map links:

Facts 

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

Categories 

Built 1910 (487)
Built during 1910s (4,413)
Functionally obsolete (5,793)
Movable (858)
Multnomah County, Oregon (48)
NR-eligible (2,623)
Open (22,291)
Oregon (430)
Owned by county (14,358)
Portland, Oregon (22)
Pratt through truss (976)
Pratt truss (1,666)
Span length 250-500 feet (597)
Steel grate deck (358)
Through truss (5,551)
Total length 1000-2500 feet (730)
Truss (16,266)
United Engineering and Construction (1)
Vertical lift (187)
Waddell & Harrington (6)
Wakefield & Jacobson (1)
Willamette River (16)

Update Log 

Sources 

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