A bid to build the pontoons for a new SR 520 floating bridge have come in under the state’s estimate with a Kiewit-General Joint Venture submitting the apparent best price and technical proposal. The ...

The first of six new large pontoons has arrived in Lake Washington and is waiting to be installed on the 520 bridge. At 360 feet long, 29 feet tall, and 75 feet wide, the pontoon weighs 11,000 tons ...

The 520 bridge replacement project is more than a year behind schedule and now the Washington State Department of Transportation says there is another problem with one of the pontoons that will float ...

The construction of the test pontoon for the State Route 520 Bridge replacement is complete and considered to be a "complete success." While other aspects of replacing the SR 520 Bridge, which spans ...

The coastal Grays Harbor County community of Aberdeen in western Washington has been buoyed by the state's $367 million project to build 33 pontoons for 520 bridge replacement project. The coastal ...

The startup Docked developed a docking system to help boaters safely and efficiently dock pontoon vessels. Equipment like bumpers, fenders and guide rails are installed on docks to help prevent damage ...