Washington State's SR 520 Bridge is also known as the Evergreen Point Floating Bridge, and it is a segment of Washington State Road 520 between I-405 and I-5, north of Seattle. This portion of the roadway also includes the Portage Bay Viaduct.
The SR 520 Bridge span, itself, is about two (2) miles long, and the segment of SR 520 that connects I-405 and I-5 is about seven miles long. The last exit eastbound, before the bridge span, is Montlake Boulevard, although drivers crossing the bridge can enter from Lake Washington Drive. The last exit westbound, before the span, is 92nd Avenue NE. However, eastbound travelers can exit at 84th Avenue NE. View maps to see each exit, specifically.
Tolls are collected in both directions and vary by the time of day traveled. There are also weekend travel rates, which also vary by time of day.
Fun fact: Accessing SR 520 from Interstate 5 southbound will bring you through a tunnel under the freeway.
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Tolls on the SR 520 Bridge are calculated based on the number of axles for your vehicle. When counting axles, make certain to count the axles with wheels on the ground, including any axles on trailers you may be towing.
There are 5 axle designations for Washington.
When calculating a toll, the following options will be available in the calculator's drop-down menu:
Count each axle with wheels on the ground.
More detailed vehicle class information may be found on the Toll Payments page.