LOW BRIDGE: Maritime advisory ahead, and cylinder updates
(SDOT photo)
A two-part advisory/update from SDOT regarding the low bridge:
https://ift.tt/P1gYHGABetween 1 AM Saturday, February 11 and 5 AM Wednesday, February 15, maritime vessels will have limited access under the Spokane St Swing Bridge to navigate the Duwamish Waterway. We do not expect impacts to people driving, walking, or biking.
During this time, only one span (side) of the bridge will swing open and close for maritime vessels on the Duwamish Waterway.
-East bridge span single openings: 1 AM Saturday, Feb. 11 through 1 AM Tuesday, February 14
-West bridge span single openings: 1 AM Tuesday, Feb. 14 through 5 AM Wednesday, Feb. 15We’ve been communicating with the U.S. Coast Guard and mariners about this work, which will limit when some larger vessels can pass through.
This change is necessary for us to remove the bridge’s hydraulic pumps for routine maintenance. These pumps push hydraulic fluid to the bridge’s cylinders, allowing the cylinders to swing the bridge open and close for maritime vessels.
How the bridge is performing since turn cylinder repairs in January
After completing repairs and reopening the Spokane St Swing Bridge on January 13, the bridge is operating as expected and the turn cylinder we removed is being analyzed to determine the next steps for refurbishment.
We have more work planned for 2023, including rehabilitating the east-side lift cylinder and upgrading the bridge’s control and communications system.
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