MileCheck / Drawbridges / Seattle Drawbridges / First Avenue South Bridge
First Avenue South Bridge · SR 99 / 1st Ave S · Duwamish mile 2.5

Is the First Avenue South Bridge up right now?

Live from Seattle DOT, checked every two minutes, with how long it has been up. Opens on signal for boats.

The app

Seattle Drawbridges

Free: see which bridge is up at a glance. Premium, $9.99 a year or $0.99 a month, unlocks every bridge's own page: live status, the rule, alerts and more. No ads in the app.

Join the iOS beta Android coming soon
First Avenue South Bridge · live
CHECKING

Reading Seattle's bridge feed.

Checked …Source Seattle DOTRefreshes every 2 min

When does the First Avenue South Bridge open?

  • Opens on signal for boats.
  • On weekdays, except federal holidays other than Columbus Day, from 6 to 9 a.m. and 3 to 6 p.m. it need not open, but it opens at any time for a vessel of 5,000 gross tons or more, a vessel towing one, or a vessel on its way to pick one up for towing.

The federal rule, word for word:

The draws of each bridge across the Duwamish Waterway shall open on signal, except as follows: (1) From Monday through Friday, except all Federal holidays but Columbus Day, the draws of the First Avenue South Bridges, mile 2.5, need not be opened for the passage of vessels from 6 a.m. to 9 a.m. and from 3 p.m. to 6 p.m., except: The draws shall open at any time for a vessel of 5000 gross tons and over, a vessel towing a vessel of 5000 gross tons and over, and a vessel proceeding to pick up for towing a vessel of 5000 gross tons and over.
33 CFR 117.1041(a)(1)

Seattle Drawbridges

Free, at a glance: which of the five monitored bridges is up right now, and for how long. Premium, $9.99 a year or $0.99 a month, unlocks every bridge's own page: its opening rule, its live status detail, a push when a bridge you chose goes up, the lift history MileCheck keeps for it, and four more colour schemes. No account needed. No ads in the app. Your location stays on your phone.

Join the iOS betaAndroid coming soon

Questions

Is the First Avenue South Bridge up right now?

This page shows Seattle DOT's live state for the First Avenue South Bridge, refreshed every two minutes, with how long it has been up. If the city's feed has gone quiet the page says "no live reading" rather than guessing.

When does the First Avenue South Bridge open for boats?

Opens on signal for boats. On weekdays, except federal holidays other than Columbus Day, from 6 to 9 a.m. and 3 to 6 p.m. it need not open, but it opens at any time for a vessel of 5,000 gross tons or more, a vessel towing one, or a vessel on its way to pick one up for towing.

How long does the First Avenue South Bridge stay up?

Most openings are over inside 15 minutes. A single sailboat is a few minutes; a tug with a tow, or several boats in a row, takes longer. The Seattle Drawbridges app times each lift.

Can I get a notification when the First Avenue South Bridge goes up?

Yes. The Seattle Drawbridges app sends a push the minute the First Avenue South Bridge goes up.

Other Seattle bridges

Ballard Bridge

15th Ave NW over the Ship Canal. Live status.

Fremont Bridge

Fremont Ave N over the Ship Canal. Live status.

University Bridge

Eastlake Ave E over the Ship Canal. No live feed.

Montlake Bridge

Montlake Blvd over the Ship Canal. Live status.

South Park Bridge

14th Ave S over the Duwamish. Live status.

Southwest Spokane Street Bridge

SW Spokane St over the Duwamish. No live feed.

Live status from Seattle DOT via the MileCheck API. Opening rules from 33 CFR 117, the federal drawbridge regulations. Not affiliated with the City of Seattle, WSDOT or the Coast Guard.