West Seattle traffic alert: 4 nights of 99 closures next week to finish ‘Timber Bridge’ project

March 6, 2014 at 11:07 pm | In West Seattle news, West Seattle traffic alerts | 6 Comments

If you’re a late-night/early-morning driver, here’s a heads-up: Highway 99 will be closed both ways between East Marginal Way and South Atlantic Street for 4 overnights next week – 9 pm to 5 am each night, Monday through Thursday (in other words, Monday/Tuesday 3/10-11, Tuesday/Wednesday 3/11-12, Wednesday/Thursday 3/12-13, Thursday/Friday 3/13-14). It’s to finish the Spokane Street Overcrossing, aka “Timber Bridge,” project on 99, which has been under way for about a year just south of the West Seattle Bridge. WSDOT spokesperson Kris Olsen tells WSB, “The closures are needed so we can do the final striping and complete the traffic shift onto the new bridge at Spokane Street. When the work is done, traffic will be back to two northbound and two southbound lanes. Work is weather-dependent, so if we can’t get it completed, the week of March 17 is our backup.” The project info page is here.


  1. I am confused: how does that diagram show 99 closure?

    Comment by jack — 12:02 pm March 7, 2014 #

  2. I think the diagram is showing where they are doing the construction. Not what part of 99 is closed. But is sounds like the closure is from the construction to the stadiums.

    Comment by matthew — 1:41 pm March 7, 2014 #

  3. It’s from East Marginal to Atlantic, as noted. Sorry, yes, the graphics shows WHERE the Timber Bridge/Overcrossing is – not everyone knows. I don’t have a closure map (would make one if I could stop down for a bit to figure out how Google Maps works now that they’ve changed everything!)

    Comment by WSB — 2:02 pm March 7, 2014 #

  4. GREAT!!! All we need is more traffic around Seattle. Sheeesh

    Comment by Jarred — 7:50 am March 8, 2014 #

  5. jarred, this is actually good news, especially for the evening commute back to west seattle. southbound 99 south of spokane street will be restored to two lanes.

    Comment by redblack — 4:47 pm March 8, 2014 #

  6. It is good news indeed, I am just disappointed the rebuild of the structure did not include a widening to 3 lanes in each direction.

    Comment by West Seattle Hipster — 5:50 pm March 8, 2014 #

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