Willamette Falls Locks Facts & Links
Links for more information about the Locks:
- Willamette Falls Locks closes for the season Sept. 30, 2006 [Release Number: 06-136, Dated: 9/26/2006]
- Willamette Falls Locks operating schedule announced [Release Number: 06-063, Dated: 5/17/2006]
- Willamette Falls Locks proposed operating schedule [Release Number: 05-152, Dated: 11/16/2005]
- Corps extends hours of operations at Willamette Falls Locks [Release Number: 05-115, Dated: Aug 10, 2005]
- Willamette Falls Locks operating schedule- effective May 5, 2005 [Release Number: 05-030, Dated: Feb 22, 2005]
- Corps Announces Changes at Willamette Falls Locks- effective July 1, 2004 [Release Number: 04-130, Dated: July 7, 2004]
- Willamette Falls Locks Opens Early- effective May 1, 2004 [Release Number: 04-055, Dated: March 29, 2004]
- Willamette Falls Locks to Close for Winter Season- effective November 1, 2003 [Release Number: 03-176, Dated: October 14, 2003]
- Willamette Falls Locks Opening for Recreation Season- effective May 19, 2003 [Release Number: 03-058, Dated: May 7, 2003]
- Willamette Falls Locks Closing for Seven Months- effective Oct 29, 2002 - May 19, 2003 [Release Number: 02-168, Dated: Sept. 30, 2002]
- Willamette Falls Locks Reopening for Six Months [Release Number: 02-044, Dated: March 13, 2002]
- Local Servant Turns 125 [Release Number 98-29, Dated: April 9, 1998]
- Locks Reach Aged Milestone [Release Number 97-127, Dated: December 29, 1997]
- "Locks of Ages", by Frederick Allen, Copied from Winter 1997 issue of American Heritage of Invention & Technology magazine
Facts about the Willamette Falls Locks:
PERTINENT DATA.... | |||||||||||||||||||||||||||||||||||
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TOTAL LENGTH | 3,565 | ||||||||||||||||||||||||||||||||||
USABLE WIDTH | 37' | ||||||||||||||||||||||||||||||||||
TOTAL LIFT | 50.4' | ||||||||||||||||||||||||||||||||||
DEPTH OVER SILLS | 6.5' | ||||||||||||||||||||||||||||||||||
MAX. VESSEL LENGTH | 175' | ||||||||||||||||||||||||||||||||||
GATES 1-7, type | 2 leaves, structural steel with wooden miter & quoin posts | ||||||||||||||||||||||||||||||||||
GATES 1-7, size |
gate 1: 30' 5.5" high x 20' wide | ||||||||||||||||||||||||||||||||||
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GATES, SLIDING | structural steel, 4' each gate live, each 27" x 41" | ||||||||||||||||||||||||||||||||||
SILLS | all gate sills are concrete on rock masonry, except #1 | ||||||||||||||||||||||||||||||||||
SUMPS | at gates 2, 3, and 4 are sumps in the bottom of the chamber, approximately 2 ft. square, used for unwatering when necessary | ||||||||||||||||||||||||||||||||||
CANAL BASIN |
(Between lock 4 and guard lock) Length- 1250' | ||||||||||||||||||||||||||||||||||
RIVER STAGE FLUCTUATIONS | Above Locks- 10' (12' in extreme conditions) Below Locks- 20' (30' in extreme conditions) | ||||||||||||||||||||||||||||||||||
WALL ELEVATION AND LIFT |
Guard lock at upstream end is used only seasonally to maintain constant level of canal basin | ||||||||||||||||||||||||||||||||||
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