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Work continues at Pier 1 in Medina as crews complete the pier table on the south column and prepare to construct the pier table on the north column. Once complete, these pier tables will support roadway as it transitions from a fixed, land-based bridge to the floating bridge.
Tugboat West Point positions itself in the basin to begin towing out the final pontoon to float out from Aberdeen, Pontoon H. The final pontoon floated out of the basin around 2:15 a.m. on Tuesday, March 10.
WSDOT and contractor Kiewit-General marked a major milestone in Aberdeen on March 9, 2015, as crews prepared to float out the final three pontoons for the new SR 520 floating bridge. Several elected officials, community members, and even the Aberdeen High School marching band participated in the event at the casting basin facility. These three pontoons represent the last of the 77 pontoons needed for the new floating bridge, and mark the completion of all six cycles built in Aberdeen. Next, the three pontoons will be inspected and then towed to Lake Washington where they will be joined together to form the foundation of the new floating bridge. The new bridge is scheduled to open in spring 2016.
A 360-foot-long concrete pontoon for the new SR 520 floating bridge was transported through the Hiram M. Chittenden Locks on May 15, 2013.
Supported by heavy-duty posts, a new SR 520 bridge pontoon was raised into a Portland, Oregon drydock in late June, 2013. The drydock allows crews to make repairs to the undersides and end walls of the pontoon before it returns to Lake Washington.
Workers have been making steady progress building the south span of the east approach to the new SR 520 floating bridge in Medina. This section of the approach is a cast-in-place segmental bridge meaning that each span is constructed in alternating segments from each end, while balancing on the pier in the middle. Later this year, work will begin on the north span.
For more information on balanced cantilever construction, see page 2 of our May 2013 Construction Newsletter.
Two derrick barges and several support craft are working to set the final anchor for the new SR 520 floating bridge.
This anchor, the 58th of 58, will be secured to the western-most cross-pontoon, Pontoon A, when it arrives on the lake.
On Monday, Sept. 8, WSDOT and its contractor installed the first of 776 low-rise roadway deck sections on Pontoon R. These deck sections will form the roadway that drivers and transit riders travel on while crossing the middle section of the floating bridge when the new bridge opens to traffic in spring 2016.
Looking west towards Seattle, you can see the new bridge reaching into the distance. On Monday, April 11, westbound traffic will travel in the right hand lanes out onto the new floating bridge.
Crews have begun to lay the top layer (or lift) of asphalt for the new westbound lanes of SR 520.
Looking east toward 84th Ave NE, traffic will travel to the far left on Monday, April 11, allowing crews to complete work in the transit station (on the right) over the next two weeks.
Crews assemble formwork in preparation for sound wall construction west of the Evergreen Point Road lid on SR 520. The sound wall separates users of the 14-foot bicycle and pedestrian path from traffic in this area. These sound walls will reach all the way out onto the east approach.
If you look carefully, you can see where the new merge point will be at the west end of the new floating bridge.
Near the sign to Lake Washington Blvd the right hand general lane will merge left and the HOV/Transit lane will become a general lane. This will allow three lanes to merge to two as you head onto the existing SR 520 roadway near Madison Park in Seattle.
The William R Bennett bridge at 1,060 metres long is the only floating bridge in Canada. It is part of Highway 97 connecting Kelowna to West Kelowna over Okanagan Lake 50,000 vehicles cross it every day in its five lanes.
Looking east from Seattle, you can see both the old and new SR 520 floating bridges.
On Monday, April 25, 2016, both eastbound and westbound lanes of the new floating bridge will open to traffic and crews will begin decommissioning the old floating bridge structure.
Due to their unique position in the middle of a lake, and their size, the girders had to be placed by the largest derrick crane east of the Mississippi.
These two sentinels stand guard at the west end of the new SR 520 floating bridge. The new bridge is about 200 feet longer than the old bridge, making it the new "world's longest floating bridge."
Crews continue to make progress on the future west high-rise of the new SR 520 floating bridge. Over the past few months workers have been busy building new columns, crossbeams, and installing girders that will support the future roadway in Seattle. Once complete, crews will move the west high-rise as one piece to its permanent location on the west end of the new floating bridge.
More information about the new SR 520 floating bridge is available on our website.
On its way to Lake Washington Pontoon G, the 75th of 77 SR 520 pontoons needed to build the new floating bridge passes through the Montlake Cut and under the historic Montlake bridge.
More information about the new SR 520 floating bridge is available on our website.
Pontoon H, the 76th of 77 pontoons needed for the new SR 520 floating bridge passes under the Montlake Bridge as it nears the end of a four-day journey from Aberdeen, WA.
More information about the new SR 520 floating bridge is available on our website.
The West Montrose Covered Bridge is the only remaining covered bridge in Ontario. It was designed by John Bear in 1880, on the authority of Woolwich Township Council, to replace an earlier bridge over the Grand River. Built a year later by John and his brother Benjamin, the 198-foot bridge was covered to protect the wooden flooring and frame against the elements. Known locally as the Kissing Bridge, it later came under the jurisdiction of Waterloo County. In 1937 the province assumed responsibility for the Guelph-Elmira Road, including the West Montrose Bridge, and its floor and sub-structure were subsequently rebuilt and reinforced.
One of the main work activities during the April 8 - 11 closure of SR 520 is paving. Crews worked around the clock to make sure the new westbound lanes would open on time.
There have been 9 floating bridges/chain ferries connecting East and West Cowes since 1859, confusingly 'Floating Bridge No 5' is the 8th (the first 3 had a different naming scheme), and was replaced by 'No 6' in 2017.
'No 5' operated from 1975 to 2016, and is currently laid up at Gosport.
As can be seen, she has deteriorated somewhat.
Built 1975 Fairey Marine Group, East Cowes
22Jun2023
With the successful launch of the coffer cell into Lake Washington crews have completed Step 1 in this three step process to complete Cycle 1 pontoon repairs.
The coffer cell will create a dry area at the end and bottom of the pontoon, allowing workers to make repairs without removing the pontoons from Lake Washington. Repairs must be completed on the lake because the pontoons have already been joined with their supplemental pontoons, making them too large to fit through the Hiram M. Chittenden Locks.
Crews towed Pontoon T to a Portland, Oregon drydock for repairs. In this photo, you can see the pontoon after it was raised completely out of the water. This dry work environment will allow crews to complete repairs needed to ensure the long-term service life of the new bridge.
Pontoon D was the first of six pontoons to be towed from the Aberdeen casting facility.
Construction crews working on the SR 520 Pontoon Construction Project took advantage of an extra-high tide April 15, 2014, to float six concrete pontoons into the Chehalis River. These six pontoons represent the fourth of six construction cycles being built in Aberdeen and are destined for Lake Washington to form the backbone of the new SR 520 floating bridge.
Under blue skies, Pontoon P travels through the Montlake Cut and underneath the Montlake Bridge, in Seattle, as it makes its way towards Lake Washington. Built in Aberdeen, Pontoon P is one of the 77 total pontoons needed to construct the new SR 520 floating bridge. Visit the SR 520 pontoon tracker page for the latest updates on pontoon movements.
Crews are building four longitudinal pontoons and two supplemental stability pontoons as part of the third construction cycle in Aberdeen. Photo courtesy of Soundview Aerial Photography.
As the fog begins to lift over Lake Washington crews launch a coffer cell that will be used to complete repairs on the two remaining Cycle 1 pontoons.
Crews continue to make progress on the third cycle of pontoon construction in Aberdeen. Construction of cycle 3 pontoons began in early May 2013 and is expected to be completed in fall 2013. Photo courtesy of Soundview Aerial Photography.
Construction crews are underway on the third cycle of SR 520 bridge pontoons in Aberdeen. In this cycle, crews will build six total pontoons:
• Four longitudinal pontoons (360 ft. x 75 ft. x 29 ft.)
• Two supplemental stability pontoons (98 ft. x 60 ft. x 28 ft.)
The Hempel sponsored Cowes chain ferry (or floating bridge) finally retired in the small hours of 3 January 2017 having been in service since 1976. On 8 May 2017 it made a sad sight moored on the Gosport side of Portsmouth Harbour.
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Pontoon V is now joined to Pontoon W near Medina, showing a continuous view to the roadway support columns on Pontoon W.
The existing bridge’s east approach is to the right.
After a four-day journey from Aberdeen, Wash. Pontoon DSW travels through the Montlake Cut as it enters Lake Washington. Pontoon DSW was the 39th pontoon to arrive on Lake Washington, out of a total of 77 pontoons needed to construct the new SR 520 floating bridge. Build your own Pontoon DSW by visiting our website.
Port Moody, BC Canada
Forested trails, rocky beaches and mountain views make this regional park a great place to explore year round. Swimming draws crowds to Sasamat Lake in summer.
Trails range from easy to challenging for hikers, cyclists and horseback riders. The rocky shores are home to a rich variety of marine life.
www.metrovancouver.org/services/parks/parks-greenways-res...
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Thank-you for your visit!
I really appreciate it!
Sonja :)
Oosterdok 10/12/2014 19h06
Part of the Water Colors boat route is this tunnel of light in Oosterdok where the boats with visitors can actually float through.
Seen from the Oosterdokskade with in the background the Maritime Museum with the Ghost Ship in the foreground.
Amsterdam Light Festival
The third edition for this Winter event in the city of Amsterdam. The theme for this year’s festival, ‘A Bright City’, challenges artists to create a tribute to life the city. The resulting artworks present a unique take on the modern city of Amsterdam.
The city will be complemented by light sculptures, projections and installations by contemporary (inter)national artists. The boat route, Water Colors, will take visitors past artworks along Amsterdam’s canals and the Amstel. The walking route, Illuminade, winds through the city center. During the festival, light will play a central role in the city as museums and institutions organize light-related activities, introducing visitors to innovations in light art.
The third edition of the festival will take place from 27 November 2014 to 18 January 2015. The boat route, Water Colors, will take place from 27 November 2014 to 18 January 2015, and the walking route, Illuminade, from 11 December 2014 to 4 January 2015.
www.amsterdamlightfestival.com
Floating Bridge
Artist: Leandro Mendes – VJ Vigas (Brazil)
Location: Oosterdok
Amsterdam has more than 1,700 official bridges. This number excludes private bridges; bridges managed by the Rijkswaterstaat and Dutch railway; scaffolding bridges and recreational bridges; as well as the more than 1,400 bridges and viaducts that aren’t numbered. So one more bridge isn’t a problem, especially when it’s a beautiful one like Floating Bridge, a copy of a curved lattice that lights up in different colors.
Creator Leandro Mendes, better known as the Brazilian VJ Vigas, sees Amsterdam’s bridges as being similar to the organic connections that exist between the cells of the nervous system. They provide the city with valuable energy, and passing through by boat is just as exhilarating.
Floating Bridge is the visual accumulation of the energy of the city. It doesn’t just resemble a dozen stacked and lit Amsterdam bridges but its shape is based on concentric half circles that form Amsterdam’s famous canals. According to its creators, this bridge of light is more than an architectural masterpiece. It’s a way to get people out of the constant turmoil of their thoughts and visual impressions, and offer them a contemplative and reflective experience in return. It’s simple: envision yourself as a package of energy and let yourself be carried away in this stream of light.
Leandro Mendes – VJ Vigas (Brazil)
During his studies in design and cinema in 2003, Leandro Mendes (1982, Brazil) became interested in audiovisual performances. He now creates VJ and video mapping projects. He has presented his work at several international audiovisual festivals, and was recently announced the winner of the VJ TORNA International Competition in Mexico, Italy, South Africa and Turkey.
Item 61472, Engineering Department Photographic Negatives (Record Series 2613-07), Seattle Municipal Archives.
After an overnight journey from Tacoma, Wash. Pontoon ONW approaches the Hiram M. Chittenden Locks in Ballard. Pontoon ONW was the 42nd pontoon to arrive on Lake Washington, out of a total of 77 pontoons needed to construct the new SR 520 floating bridge. Build your own Pontoon ONW by visiting our website.
Tugboat West Point is positioned in front of longitudinal Pontoon H in the casting basin, as it prepared to float the final pontoon out of the basin.
WSDOT and contractor Kiewit-General marked a major milestone in Aberdeen on March 9, 2015, as crews prepared to float out the final three pontoons for the new SR 520 floating bridge. Several elected officials, community members, and even the Aberdeen High School marching band participated in the event at the casting basin facility. These three pontoons represent the last of the 77 pontoons needed for the new floating bridge, and mark the completion of all six cycles built in Aberdeen. Next, the three pontoons will be inspected and then towed to Lake Washington where they will be joined together to form the foundation of the new floating bridge. The new bridge is scheduled to open in spring 2016.
On Oct. 16, 2013 at the pontoon casting facility in Aberdeen, crews could be seen outside of the basin preparing interior precast panels prior to setting them into cycle 4 pontoons.
Construction crews are underway on the fourth cycle of SR 520 bridge pontoons in Aberdeen. In this cycle, crews will build six total pontoons:
• Four longitudinal pontoons (360 ft. x 75 ft. x 29 ft.)
• Two supplemental stability pontoons (98 ft. x 60 ft. x 28 ft.)
Just after passing Foster Island, in Seattle, Pontoon P arrived on Lake Washington and completed its four day journey from Aberdeen. Pontoon P is the 33rd pontoon to arrive on Lake Washington, out of a total of 77 pontoons needed to construct the new SR 520 floating bridge. Visit the SR 520 pontoon tracker page for the latest updates on pontoon movements.
Pontoon O was the first of six pontoons to be towed from the Aberdeen casting facility.
Construction crews working on the SR 520 Pontoon Construction Project took advantage of an extra-high tide Oct. 5, 2013, to float six concrete pontoons into the Chehalis River. These pontoons comprise the third of six pontoon construction cycles and are destined for Lake Washington to form the backbone of the new SR 520 floating bridge.
A large crane lowers into place the first of eight 190-foot-long steel girders that will make up the transition span between the floating bridge and the highway’s elevated, stationary high-rise along Lake Washington’s eastern shore. The new transition span essentially serves as a giant hinge between the floating bridge, at left, and the fixed, immovable east high-rise, at right. The span will support SR 520’s westbound lanes and a new, cross-lake bicycle and pedestrian path. The new floating bridge is expected to open in spring 2016.
This coffer cell will be used to create a dry work environment, allowing construction crews to complete repairs to the end walls of Pontoon U and Pontoon V while on Lake Washington. Photo taken Nov. 22, 2013.
Crews have been busy building six new pontoons for the SR 520 bridge in Seattle. This photo, taken Dec. 12, 2013 in Aberdeen, Washington, shows the interior workings of the pontoons under construction.
Construction crews are underway on the fourth cycle of SR 520 bridge pontoons in Aberdeen. In this cycle, crews will build six total pontoons:
• Four longitudinal pontoons (360 ft. x 75 ft. x 29 ft.)
• Two supplemental stability pontoons (98 ft. x 60 ft. x 28 ft.)
Crews were hard at work building installing pumps to remove the water inside the newly constructed cofferdam. It will take at least three days to remove all of the water from the cofferdam.
Once all the water has been removed, crews will begin to construct the foundation for the in-water pier in Medina.
Aerial shot of barges and cranes used in the construction of the new SR 520 Bridge. This shot was taken from the west approach.
One of the main work activities during the April 8 - 11 closure of SR 520 is paving. This roller is compacting one of the final layers of asphalt for the new westbound lanes leading to the new floating bridge.
The West Bromwich based engineering company of Braithwaite were an important fabrication and bridge building concern and so, in many ways, it is unsurprising that they were involved in the massive engineering project that delivered the famous "Mulberry Harbours" that played such a part in the 1944 Allied landings in Normandy. This is the cover of a reprinted article from Welding Magazine issued in August 1945 detailing the work carried out under Braithwaite's parent company status at their West Midlands and Newport works, as well as those of over 40 local concerns including John Thompson's of Dudley and Wolverhampton. The image shows the 'whale' pier in use at Arromanches, one of the sites the Mulberry Harbours were deployed at to support the invasion.
This was the floating bridge used from 1975 until Spring 2017 when it was replaced by "Floating Bridge No. 6". This new vessel has been removed from service as of 4 September 2017 by the Island Coulcil owing to numerous operating problems.
Working in teams, ironworkers at the pontoon construction site in Aberdeen tied rebar into mats that will be used in the next cycle of pontoon construction. Photo taken Feb. 24, 2014.
Construction crews are underway on the fourth cycle of SR 520 bridge pontoons in Aberdeen. In this cycle, crews will build six total pontoons:
• Four longitudinal pontoons (360 ft. x 75 ft. x 29 ft.)
• Two supplemental stability pontoons (98 ft. x 60 ft. x 28 ft.)
Crews are close to connecting the first two segments of the south span of the east approach to the new SR 520 floating bridge in Medina. For this section of the approach, workers are using the balanced cantilever (or segmental bridge) construction method. Once complete later this summer, a continuous section of roadway will span from Pier 3 on land in Medina all the way to Pontoon W, creating the first continuous section of roadway between land and the new SR 520 floating bridge.
For more information on balanced cantilever construction, see page 2 of our May 2013 Construction Newsletter.