SR 520 Pontoons - Cycle 2 in Aberdeen
Construction is complete on the second cycle of SR 520 bridge pontoons in Aberdeen.

In this cycle, crews built six total pontoons:

• Three longitudinal pontoons (360 ft. x 75 ft. x 29 ft.)
• One cross pontoon (270 ft. x 75 ft. x 33 ft.)
• Two supplemental stability pontoons (98 ft. x 60 ft. x 28 ft.)

More project info is available online: www.wsdot.wa.gov/Projects/SR520/Pontoons.htm
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