Crews stay in constant communication
The snug fit of the massive longitudinal concrete pontoon being floated into the Hiram M. Chittenden Locks required close observation to safely tow them onto Lake Washington. Photo taken during the first float-in on Aug. 11, 2012.
Crews floated in the first longitudinal pontoon for the new SR 520 bridge through the Hiram M. Chittenden Locks on August 11, 2012. Arriving just after 6 p.m., the entire operation took around 45 minutes and was observed by hundreds of spectators enjoying the sunny Saturday in Seattle, Washington. This pontoon is the first of 77 that will make their way from their casting basins to Lake Washington during the next two years.
Crews stay in constant communication
The snug fit of the massive longitudinal concrete pontoon being floated into the Hiram M. Chittenden Locks required close observation to safely tow them onto Lake Washington. Photo taken during the first float-in on Aug. 11, 2012.
Crews floated in the first longitudinal pontoon for the new SR 520 bridge through the Hiram M. Chittenden Locks on August 11, 2012. Arriving just after 6 p.m., the entire operation took around 45 minutes and was observed by hundreds of spectators enjoying the sunny Saturday in Seattle, Washington. This pontoon is the first of 77 that will make their way from their casting basins to Lake Washington during the next two years.