SR 520
@sr520.wsdot.wa.gov
Built the world's longest floating bridge & we're heading west. Closure info: http://sr520construction.com. Vintage cover by SeatownNative (on X). Official WSDOT BlueSky account for SR 520.
🦃A pretty fall shot of the 520 corridor before the Turkey Day chaos window fully opens. SHOPPERS GRAB YOUR CARTS! 🛒🤸
Just kidding, be safe out there. We're grateful to have you all along for the ride that is 520. 🤎
📸P.S. More Portage Bay progress pics here: flickr.com/photos/wsdot...
Just kidding, be safe out there. We're grateful to have you all along for the ride that is 520. 🤎
📸P.S. More Portage Bay progress pics here: flickr.com/photos/wsdot...
November 26, 2025 at 9:57 PM
🦃A pretty fall shot of the 520 corridor before the Turkey Day chaos window fully opens. SHOPPERS GRAB YOUR CARTS! 🛒🤸
Just kidding, be safe out there. We're grateful to have you all along for the ride that is 520. 🤎
📸P.S. More Portage Bay progress pics here: flickr.com/photos/wsdot...
Just kidding, be safe out there. We're grateful to have you all along for the ride that is 520. 🤎
📸P.S. More Portage Bay progress pics here: flickr.com/photos/wsdot...
A quick recap of work we accomplished this past weekend:
EB SR 520:
- Removed existing barrier & set temporary ones
- Restriped the NB I-5 ramp to EB 520
- Removed vegetation & trees
10th Ave:
- Installed underground conduit
Thanks for your patience!
sr520construction.com
EB SR 520:
- Removed existing barrier & set temporary ones
- Restriped the NB I-5 ramp to EB 520
- Removed vegetation & trees
10th Ave:
- Installed underground conduit
Thanks for your patience!
sr520construction.com
November 26, 2025 at 1:04 AM
A quick recap of work we accomplished this past weekend:
EB SR 520:
- Removed existing barrier & set temporary ones
- Restriped the NB I-5 ramp to EB 520
- Removed vegetation & trees
10th Ave:
- Installed underground conduit
Thanks for your patience!
sr520construction.com
EB SR 520:
- Removed existing barrier & set temporary ones
- Restriped the NB I-5 ramp to EB 520
- Removed vegetation & trees
10th Ave:
- Installed underground conduit
Thanks for your patience!
sr520construction.com
Checking in on our two closures - and you can too.
A reminder: We have construction cameras all around the work zone taking snapshots every 5-10 minutes. View those and a timelapse! Bookmark this link and see how it all get built.
bit.ly/PortageBayCameras
sr520construction.com
A reminder: We have construction cameras all around the work zone taking snapshots every 5-10 minutes. View those and a timelapse! Bookmark this link and see how it all get built.
bit.ly/PortageBayCameras
sr520construction.com
November 22, 2025 at 10:44 PM
Checking in on our two closures - and you can too.
A reminder: We have construction cameras all around the work zone taking snapshots every 5-10 minutes. View those and a timelapse! Bookmark this link and see how it all get built.
bit.ly/PortageBayCameras
sr520construction.com
A reminder: We have construction cameras all around the work zone taking snapshots every 5-10 minutes. View those and a timelapse! Bookmark this link and see how it all get built.
bit.ly/PortageBayCameras
sr520construction.com
Two weekend closures walked into a bar…
Actually no, they walked into your weekend.
Want answers before your group chat starts blowing up? Come to the Portage Bay Project virtual meeting TODAY at noon to ask them all!
🔗Link to register: bit.ly/portagebay-m...
🚧Closure info: SR520construction.com
Actually no, they walked into your weekend.
Want answers before your group chat starts blowing up? Come to the Portage Bay Project virtual meeting TODAY at noon to ask them all!
🔗Link to register: bit.ly/portagebay-m...
🚧Closure info: SR520construction.com
November 20, 2025 at 5:57 PM
Two weekend closures walked into a bar…
Actually no, they walked into your weekend.
Want answers before your group chat starts blowing up? Come to the Portage Bay Project virtual meeting TODAY at noon to ask them all!
🔗Link to register: bit.ly/portagebay-m...
🚧Closure info: SR520construction.com
Actually no, they walked into your weekend.
Want answers before your group chat starts blowing up? Come to the Portage Bay Project virtual meeting TODAY at noon to ask them all!
🔗Link to register: bit.ly/portagebay-m...
🚧Closure info: SR520construction.com
🚧 Heads up for tonight (11/19) & tomorrow night (11/20):
The WB SR 520 ramp to northbound I-5 AND E Roanoke St closes at 10 p.m. Reopens by 6 a.m. each morning.
If you miss the Montlake exit… hello southbound I-5 👋
Plan ahead! More details here and below: sr520construction.com/projects/wes...
The WB SR 520 ramp to northbound I-5 AND E Roanoke St closes at 10 p.m. Reopens by 6 a.m. each morning.
If you miss the Montlake exit… hello southbound I-5 👋
Plan ahead! More details here and below: sr520construction.com/projects/wes...
November 19, 2025 at 9:55 PM
🚧 Heads up for tonight (11/19) & tomorrow night (11/20):
The WB SR 520 ramp to northbound I-5 AND E Roanoke St closes at 10 p.m. Reopens by 6 a.m. each morning.
If you miss the Montlake exit… hello southbound I-5 👋
Plan ahead! More details here and below: sr520construction.com/projects/wes...
The WB SR 520 ramp to northbound I-5 AND E Roanoke St closes at 10 p.m. Reopens by 6 a.m. each morning.
If you miss the Montlake exit… hello southbound I-5 👋
Plan ahead! More details here and below: sr520construction.com/projects/wes...
Mornin' 520 fam - happy Saturday.
Work is underway on E. Roanoke St. between Harvard and 10th Aves. Nearby businesses are open & signed detours/uniformed officers are on site to guide you around the work.
Heading to @uwfootball.bsky.social today? Plan ahead!
sr520construction.com/projects/eas...
Work is underway on E. Roanoke St. between Harvard and 10th Aves. Nearby businesses are open & signed detours/uniformed officers are on site to guide you around the work.
Heading to @uwfootball.bsky.social today? Plan ahead!
sr520construction.com/projects/eas...
November 15, 2025 at 4:42 PM
Mornin' 520 fam - happy Saturday.
Work is underway on E. Roanoke St. between Harvard and 10th Aves. Nearby businesses are open & signed detours/uniformed officers are on site to guide you around the work.
Heading to @uwfootball.bsky.social today? Plan ahead!
sr520construction.com/projects/eas...
Work is underway on E. Roanoke St. between Harvard and 10th Aves. Nearby businesses are open & signed detours/uniformed officers are on site to guide you around the work.
Heading to @uwfootball.bsky.social today? Plan ahead!
sr520construction.com/projects/eas...
POV: You’re driving by wondering what we’re building. 👀
Here’s a look at the foundation work for the future Roanoke Lid — yes, the park that’ll sit over this stretch one day. Every glow-up has an awkward stage, right? Trust the process. 🙏
Here’s a look at the foundation work for the future Roanoke Lid — yes, the park that’ll sit over this stretch one day. Every glow-up has an awkward stage, right? Trust the process. 🙏
November 13, 2025 at 9:39 PM
POV: You’re driving by wondering what we’re building. 👀
Here’s a look at the foundation work for the future Roanoke Lid — yes, the park that’ll sit over this stretch one day. Every glow-up has an awkward stage, right? Trust the process. 🙏
Here’s a look at the foundation work for the future Roanoke Lid — yes, the park that’ll sit over this stretch one day. Every glow-up has an awkward stage, right? Trust the process. 🙏
Just an engineer… standing just east of the world’s longest floating bridge… in the rain… asking you to believe in buoyancy...
🎬Here’s a sneak peek behind the scenes of something very nationally geographic — coming soon. 👀
🎬Here’s a sneak peek behind the scenes of something very nationally geographic — coming soon. 👀
November 6, 2025 at 7:35 PM
Just an engineer… standing just east of the world’s longest floating bridge… in the rain… asking you to believe in buoyancy...
🎬Here’s a sneak peek behind the scenes of something very nationally geographic — coming soon. 👀
🎬Here’s a sneak peek behind the scenes of something very nationally geographic — coming soon. 👀
Good morning - This work is now underway. We'll update you once it's complete.
Please remember to slow down and move over if you can to give our crews space!
Please remember to slow down and move over if you can to give our crews space!
November 4, 2025 at 5:05 PM
Good morning - This work is now underway. We'll update you once it's complete.
Please remember to slow down and move over if you can to give our crews space!
Please remember to slow down and move over if you can to give our crews space!
Heads up!
Tomorrow morning (11/4) we'll have a single left lane on northbound I-5 just north of the SR 520 interchange closed from 9a-3p for emergency shoulder repairs.
For questions you can call our 24-hour construction hotline at 206-319-4520 or message us here.
Tomorrow morning (11/4) we'll have a single left lane on northbound I-5 just north of the SR 520 interchange closed from 9a-3p for emergency shoulder repairs.
For questions you can call our 24-hour construction hotline at 206-319-4520 or message us here.
November 4, 2025 at 12:44 AM
Heads up!
Tomorrow morning (11/4) we'll have a single left lane on northbound I-5 just north of the SR 520 interchange closed from 9a-3p for emergency shoulder repairs.
For questions you can call our 24-hour construction hotline at 206-319-4520 or message us here.
Tomorrow morning (11/4) we'll have a single left lane on northbound I-5 just north of the SR 520 interchange closed from 9a-3p for emergency shoulder repairs.
For questions you can call our 24-hour construction hotline at 206-319-4520 or message us here.
Not to start drama, but we kind of ate with this Poison Ivy costume?? Happy Halloween 520 fam 🎃
By the way: Halloween night remains one of the most dangerous nights of the year for pedestrian safety. Keep your eyes peeled and stay alert tonight! Don’t wait on Batman. 🦇
By the way: Halloween night remains one of the most dangerous nights of the year for pedestrian safety. Keep your eyes peeled and stay alert tonight! Don’t wait on Batman. 🦇
October 31, 2025 at 5:47 PM
Not to start drama, but we kind of ate with this Poison Ivy costume?? Happy Halloween 520 fam 🎃
By the way: Halloween night remains one of the most dangerous nights of the year for pedestrian safety. Keep your eyes peeled and stay alert tonight! Don’t wait on Batman. 🦇
By the way: Halloween night remains one of the most dangerous nights of the year for pedestrian safety. Keep your eyes peeled and stay alert tonight! Don’t wait on Batman. 🦇
🚧Heads up, night travelers of Montlake Boo-levard! 👻
The Montlake on-ramp to eastbound SR 520 will close nightly Oct. 29 & 30 from 10PM - 6AM for closeout work.
Note: Crews may temporarily reopen the ramp during the work window as conditions allow! Details 👇
The Montlake on-ramp to eastbound SR 520 will close nightly Oct. 29 & 30 from 10PM - 6AM for closeout work.
Note: Crews may temporarily reopen the ramp during the work window as conditions allow! Details 👇
October 29, 2025 at 5:41 PM
🚧Heads up, night travelers of Montlake Boo-levard! 👻
The Montlake on-ramp to eastbound SR 520 will close nightly Oct. 29 & 30 from 10PM - 6AM for closeout work.
Note: Crews may temporarily reopen the ramp during the work window as conditions allow! Details 👇
The Montlake on-ramp to eastbound SR 520 will close nightly Oct. 29 & 30 from 10PM - 6AM for closeout work.
Note: Crews may temporarily reopen the ramp during the work window as conditions allow! Details 👇
10/10 would ride again 🚏🚎
Steve caught up with bus rider Ashley, and she shared how new @kingcountymetro.bsky.social stops on the Montlake Lid have leveled up her commute. New connections all around! #BigTransferEnergy
Steve caught up with bus rider Ashley, and she shared how new @kingcountymetro.bsky.social stops on the Montlake Lid have leveled up her commute. New connections all around! #BigTransferEnergy
October 28, 2025 at 6:40 PM
10/10 would ride again 🚏🚎
Steve caught up with bus rider Ashley, and she shared how new @kingcountymetro.bsky.social stops on the Montlake Lid have leveled up her commute. New connections all around! #BigTransferEnergy
Steve caught up with bus rider Ashley, and she shared how new @kingcountymetro.bsky.social stops on the Montlake Lid have leveled up her commute. New connections all around! #BigTransferEnergy
📣 MAJOR UPDATE: Our contractor has adjusted this weekend’s closure schedule.
🚧 Westbound SR 520 + trail closed nightly:
• Fri 11 PM – Sat 8 AM
• Sat 11 PM – Sun noon
• Sun 11 PM – Mon 5 AM
Both reopen @ 8 AM Saturday for the UW football game.
Eastbound 520 stays open all weekend. Updated graphic 👇
🚧 Westbound SR 520 + trail closed nightly:
• Fri 11 PM – Sat 8 AM
• Sat 11 PM – Sun noon
• Sun 11 PM – Mon 5 AM
Both reopen @ 8 AM Saturday for the UW football game.
Eastbound 520 stays open all weekend. Updated graphic 👇
October 24, 2025 at 8:14 PM
📣 MAJOR UPDATE: Our contractor has adjusted this weekend’s closure schedule.
🚧 Westbound SR 520 + trail closed nightly:
• Fri 11 PM – Sat 8 AM
• Sat 11 PM – Sun noon
• Sun 11 PM – Mon 5 AM
Both reopen @ 8 AM Saturday for the UW football game.
Eastbound 520 stays open all weekend. Updated graphic 👇
🚧 Westbound SR 520 + trail closed nightly:
• Fri 11 PM – Sat 8 AM
• Sat 11 PM – Sun noon
• Sun 11 PM – Mon 5 AM
Both reopen @ 8 AM Saturday for the UW football game.
Eastbound 520 stays open all weekend. Updated graphic 👇
HEADS UP: We’re going 🎶ONE DIRECTION this weekend with Westbound 520 + SR 520 Trail fully closed across the lake starting tomorrow at 11PM until Monday at 5AM.
BUT PAUSE, DAWGS: Both will reopen on Saturday from 9:30AM to 6PM for the UW football game. EB 520 stays open all weekend. Details below! 👇
BUT PAUSE, DAWGS: Both will reopen on Saturday from 9:30AM to 6PM for the UW football game. EB 520 stays open all weekend. Details below! 👇
October 23, 2025 at 8:28 PM
HEADS UP: We’re going 🎶ONE DIRECTION this weekend with Westbound 520 + SR 520 Trail fully closed across the lake starting tomorrow at 11PM until Monday at 5AM.
BUT PAUSE, DAWGS: Both will reopen on Saturday from 9:30AM to 6PM for the UW football game. EB 520 stays open all weekend. Details below! 👇
BUT PAUSE, DAWGS: Both will reopen on Saturday from 9:30AM to 6PM for the UW football game. EB 520 stays open all weekend. Details below! 👇
Two things:
1. Go M’s & Seahawks 💙
2. ATTN NIGHT OWLS: The Montlake Blvd on-ramp to EB SR 520 closes nightly tonight–Thurs (10/20–10/23) for punch-list AKA final checklist items on the Montlake Project. See graphic 👇 and head to SR520Construction.com for details.
1. Go M’s & Seahawks 💙
2. ATTN NIGHT OWLS: The Montlake Blvd on-ramp to EB SR 520 closes nightly tonight–Thurs (10/20–10/23) for punch-list AKA final checklist items on the Montlake Project. See graphic 👇 and head to SR520Construction.com for details.
October 20, 2025 at 11:09 PM
Two things:
1. Go M’s & Seahawks 💙
2. ATTN NIGHT OWLS: The Montlake Blvd on-ramp to EB SR 520 closes nightly tonight–Thurs (10/20–10/23) for punch-list AKA final checklist items on the Montlake Project. See graphic 👇 and head to SR520Construction.com for details.
1. Go M’s & Seahawks 💙
2. ATTN NIGHT OWLS: The Montlake Blvd on-ramp to EB SR 520 closes nightly tonight–Thurs (10/20–10/23) for punch-list AKA final checklist items on the Montlake Project. See graphic 👇 and head to SR520Construction.com for details.
That time of year when the SR 520 Trail looks like a Bob Ross painting. 🧑🎨
Some clouds and morning drizzle. A sunbreak here and there. And, of course, a palette of happy little trees and thriving restored wetlands. 🌳🍂
Some clouds and morning drizzle. A sunbreak here and there. And, of course, a palette of happy little trees and thriving restored wetlands. 🌳🍂
October 17, 2025 at 7:56 PM
That time of year when the SR 520 Trail looks like a Bob Ross painting. 🧑🎨
Some clouds and morning drizzle. A sunbreak here and there. And, of course, a palette of happy little trees and thriving restored wetlands. 🌳🍂
Some clouds and morning drizzle. A sunbreak here and there. And, of course, a palette of happy little trees and thriving restored wetlands. 🌳🍂
⚾️We’re on the mound. Are you in or on the bench for our next Portage Bay Project online meeting?
Game time is at noon on Thursday, Oct. 23. Come hear the updates and ask your questions!
👉 Register here: bit.ly/portagebay-m.... Go M's!
Game time is at noon on Thursday, Oct. 23. Come hear the updates and ask your questions!
👉 Register here: bit.ly/portagebay-m.... Go M's!
October 16, 2025 at 9:28 PM
⚾️We’re on the mound. Are you in or on the bench for our next Portage Bay Project online meeting?
Game time is at noon on Thursday, Oct. 23. Come hear the updates and ask your questions!
👉 Register here: bit.ly/portagebay-m.... Go M's!
Game time is at noon on Thursday, Oct. 23. Come hear the updates and ask your questions!
👉 Register here: bit.ly/portagebay-m.... Go M's!
For those curious - the lane closure is for crews working on future support columns for the new Roanoke lid in between EB and WB SR 520. The lane closure gives crews and drivers the space needed to complete the work safely.
Watch the work: bit.ly/portagebaycameras
Watch the work: bit.ly/portagebaycameras
October 14, 2025 at 6:54 PM
For those curious - the lane closure is for crews working on future support columns for the new Roanoke lid in between EB and WB SR 520. The lane closure gives crews and drivers the space needed to complete the work safely.
Watch the work: bit.ly/portagebaycameras
Watch the work: bit.ly/portagebaycameras
Happening now: A single left lane on westbound SR 520 between Montlake and I-5 is closed for construction. Plan ahead for a bit of a slowdown through this section. All ramps remain open.
Work will continue daily this week between 11a-2p.
bit.ly/portagebaycameras
Work will continue daily this week between 11a-2p.
bit.ly/portagebaycameras
October 14, 2025 at 6:06 PM
Happening now: A single left lane on westbound SR 520 between Montlake and I-5 is closed for construction. Plan ahead for a bit of a slowdown through this section. All ramps remain open.
Work will continue daily this week between 11a-2p.
bit.ly/portagebaycameras
Work will continue daily this week between 11a-2p.
bit.ly/portagebaycameras
Throwback to our sentinels in Mariners drip. Blue and teal never looked so good. 💙💚 #TridentsUp #GoMariners #EmbraceTheRain
October 7, 2025 at 11:32 PM
Throwback to our sentinels in Mariners drip. Blue and teal never looked so good. 💙💚 #TridentsUp #GoMariners #EmbraceTheRain
🚧Heads up late owls in Montlake & Portage Bay: We've got a dash of overnight "Ramp Closure Madness" this week.
Several SR 520 ramps close Oct. 6–9 (10PM - 6AM). 👇Graphic below outlines it all. Check back or go to Construction Corner for any updates: sr520construction.com
Several SR 520 ramps close Oct. 6–9 (10PM - 6AM). 👇Graphic below outlines it all. Check back or go to Construction Corner for any updates: sr520construction.com
October 6, 2025 at 6:45 PM
🚧Heads up late owls in Montlake & Portage Bay: We've got a dash of overnight "Ramp Closure Madness" this week.
Several SR 520 ramps close Oct. 6–9 (10PM - 6AM). 👇Graphic below outlines it all. Check back or go to Construction Corner for any updates: sr520construction.com
Several SR 520 ramps close Oct. 6–9 (10PM - 6AM). 👇Graphic below outlines it all. Check back or go to Construction Corner for any updates: sr520construction.com
It’s awards season folks. So our winner for Best Supporting Role? PILES!!
You saw them on this week's Whatcha Building?! video. Now, a closeup shot (cut-to-size) of the piles that’ll support the new temporary EB 520 off-ramp to Montlake.
👇MORE PICS JUST DROPPED:
www.flickr.com/photos/wsdot...
You saw them on this week's Whatcha Building?! video. Now, a closeup shot (cut-to-size) of the piles that’ll support the new temporary EB 520 off-ramp to Montlake.
👇MORE PICS JUST DROPPED:
www.flickr.com/photos/wsdot...
October 1, 2025 at 7:34 PM
It’s awards season folks. So our winner for Best Supporting Role? PILES!!
You saw them on this week's Whatcha Building?! video. Now, a closeup shot (cut-to-size) of the piles that’ll support the new temporary EB 520 off-ramp to Montlake.
👇MORE PICS JUST DROPPED:
www.flickr.com/photos/wsdot...
You saw them on this week's Whatcha Building?! video. Now, a closeup shot (cut-to-size) of the piles that’ll support the new temporary EB 520 off-ramp to Montlake.
👇MORE PICS JUST DROPPED:
www.flickr.com/photos/wsdot...
🚧 Heads up, Montlake: Sidewalk and lane closure!
The southbound Montlake Blvd. lane + west sidewalk (E. Hamlin → WB 520) is closing from 9:30AM - 2:30PM daily, Oct. 1-3.
🚲Biking or walking → use east sidewalk
✅ WB 520 ramp open
🔗 More details: sr520construction.com/projects/sin...
The southbound Montlake Blvd. lane + west sidewalk (E. Hamlin → WB 520) is closing from 9:30AM - 2:30PM daily, Oct. 1-3.
🚲Biking or walking → use east sidewalk
✅ WB 520 ramp open
🔗 More details: sr520construction.com/projects/sin...
September 30, 2025 at 6:12 PM
🚧 Heads up, Montlake: Sidewalk and lane closure!
The southbound Montlake Blvd. lane + west sidewalk (E. Hamlin → WB 520) is closing from 9:30AM - 2:30PM daily, Oct. 1-3.
🚲Biking or walking → use east sidewalk
✅ WB 520 ramp open
🔗 More details: sr520construction.com/projects/sin...
The southbound Montlake Blvd. lane + west sidewalk (E. Hamlin → WB 520) is closing from 9:30AM - 2:30PM daily, Oct. 1-3.
🚲Biking or walking → use east sidewalk
✅ WB 520 ramp open
🔗 More details: sr520construction.com/projects/sin...
☁️What’s piling up on this gray Monday morning? Emails. Empty coffee cups. Mariners playoff dreams. And oh yeah…piles to support new structures on the Portage Bay Project 😉⚾
📺Steve’s got the breakdown in episode 2 of our "Whatcha' Building?!" series!
📺Steve’s got the breakdown in episode 2 of our "Whatcha' Building?!" series!
September 29, 2025 at 6:01 PM
☁️What’s piling up on this gray Monday morning? Emails. Empty coffee cups. Mariners playoff dreams. And oh yeah…piles to support new structures on the Portage Bay Project 😉⚾
📺Steve’s got the breakdown in episode 2 of our "Whatcha' Building?!" series!
📺Steve’s got the breakdown in episode 2 of our "Whatcha' Building?!" series!