Park Bridge
Bascule drawbridgePark Bridge is a bascule drawbridge with 29 ft closed and 143 ft open.
Clearances are from NOAA charts, referenced to mean high water. Actual clearance is lower at higher tides and storm surge. Always confirm against your vessel's air draft and the posted clearance gauge before transiting.
How to request an opening
(2) The draw of the South Park Bridge, mile 3.8, need not be opened for the passage of vessels from 6:30 a.m. to 8:30 a.m. and from 3:30 p.m. to 5:30 p.m., Monday through Friday except, Federal holidays, other than Columbus Day. (3) Between the hours of 11 p.m. and 7 a.m., Monday through Sunday, the South Park Bridge shall open if at least a 12 hour notice is given by telephone or VHF radio to the drawtender at the South Park Bridge. If emergency responders require a bridge opening between 11 p.m. and 7 a.m., the South Park Bridge shall open within 45 minutes from initial notification to the Fremont Bridge operator. Vessels engaged in sea-trials or dredging activities may request a standby drawtender to open the bridge, on demand, during sea-trials and/or dredging operations, if at least a 24 hour notice is given to the South Park Bridge drawtender. (b) The following bridges shall open on
Source: US Coast Guard drawbridge regulations, 33 CFR 117.1041 (Duwamish Waterway). Confirm before transiting.
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Frequently asked
What is the clearance under Park Bridge?+
Park Bridge is a bascule drawbridge. Its closed vertical clearance is about 29 ft, opening to about 143 ft. Heights are referenced to mean high water (MHW).
How do I get Park Bridge to open?+
Contact the bridge tender on VHF-FM Channel 13, or sound the required signal. Operating schedule: (2) The draw of the South Park Bridge, mile 3.8, need not be opened for the passage of vessels from 6:30 a.m. to 8:30 a.m. and from 3:30 p.m. to 5:30 p.m., Monday through Friday except, Federal holidays, other than Columbus Day. (3) Between
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