As 2013 came to a close, construction crews worked on completing the pier table on the south column of Pier 1. Working high above Lake Washington, crews get a different perspective of the steel truss on the east approach of the current SR 520 bridge.
Tags: WSDOT SR 520 SR 520 Floating Bridge Pontoons KGM ^JW Washington State Department of Transportation State Route 520 Floating Bridge
Construction crews continue to make progress on pier tables, or roadway support structures, on the top of Pier 1. Once complete, crews will begin building balanced cantilever spans toward Pier 2 and Pontoon W.
Tags: WSDOT SR 520 Washington State Department of Transportation SR 520 Floating Bridge State Route 520 KGM Floating Bridge ^JW
This season, construction crews have been busy along the Medina shoreline. From left to right we can see new roadway extending over Lake Washington from Pier 2, Pier 1 roadway support structures, Pontoons W and A, Pontoon U, and repair work on Pontoon V.
Tags: WSDOT SR 520 Washington State Department of Transportation SR 520 Floating Bridge State Route 520 KGM Floating Bridge ^JW Pontoons
In mid-December 2013 eight supplemental stability pontoons were floated onto Lake Washington. With the iconic Seattle skyline in the background Pontoon SSE is towed by the tugboat Terilyn.
Tags: WSDOT SR 520 Washington State Department of Transportation SR 520 Floating Bridge State Route 520 KGM Floating Bridge ^JW Pontoons
During the second week of December 2013 eight supplemental stability pontoons were floated onto Lake Washington. The hollow, concrete and steel pontoons will flank the bridge’s larger, main pontoons to help stabilize the overall structure. In all, 77 pontoons will support the new floating bridge which, at 1.4 miles in length, will be the world’s longest stretch of floating highway.
Tags: WSDOT SR 520 Washington State Department of Transportation SR 520 Floating Bridge State Route 520 KGM Floating Bridge ^JW Pontoons pontoontypes>