(WSDOT image showing underside of deteriorating expansion joint – explained here)
Monday, we reported on the Spokane St. Overcrossing/Timber Bridge project ahead for Highway 99 south of the West Seattle Bridge (here’s the story). Today, we have new information on another new WSDOT project that will affect local drivers starting early next year – currently known as “Spokane Street Interchange Vicinity – Special Bridge Repair.” This one involves replacing more than two dozen deteriorating half-century-old expansion joints on and around the West Seattle Bridge/I-5/Columbian Way interchange (here’s an aerial view of the segments), and it will require a series of weekend closures involving various ramps.
We’ve been watching this one for a while and just got word from WSDOT that the closure schedules are now online. See them here, along with detour maps. The closures are currently scheduled to start with the weekend of January 4-7, late Friday night through early Monday morning, when WSDOT will close the I-5 northbound, I-5 southbound, and Columbian Way ramps to West Seattle Bridge. Subsequent weekends will NOT be the same pattern – every weekend closure has a slightly different configuration. As you’ll see on the closure-schedule page, this is expected to continue into next spring; it’s a $4.5 million project, to be led by Eastside-headquartered Mowat Construction.
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