Photograph courtesy of Washington Division of Transportation
Atkinson Building is construction a a brand new Veterans Power tunnel beneath SR 509, a part of the just about $3 billion SR 509 Finishing touch Mission in King County, Wash.
Atkinson Building is making stable development at the new Veterans Power tunnel as a part of the SR 509 Finishing touch Mission.
This portion of labor is a part of the entire Puget Sound Gateway Program, which goals to construct vital connection issues in Washington’s freeway and freight community.
In August, crews started transferring northbound I-5 visitors to the left over a just lately finished phase of the Veterans Power tunnel close to SR 516 in SeaTac so paintings may proceed.
Photograph courtesy of Washington Division of Transportation
The tunnel runs east-west beneath I-5 and can supply extra direct get entry to to production industries within the Kent Valley, permitting freight to avoid the busy SR 516 interchange. The tunnel is fabricated from metal arches and can lift two lanes of visitors in every path.
“Completing SR 509 will strengthen freight mobility to and from our ports and supply crucial north-south selection to I-5 between Seattle and south King County,” mentioned Gateway Program Administrator John White. “Atkinson Building has an extended historical past of effectively turning in advanced freeway initiatives for WSDOT. We are having a look ahead to operating with them to finish the design and building of the overall 2 miles of SR 509.”
The SR 509 Finishing touch Mission in King County is a part of the Puget Sound Gateway Program, which additionally comprises the SR 167 Finishing touch Mission in Pierce County. In combination, those initiatives entire two of the Puget Sound area’s most crucial freight corridors and strengthen get entry to to I-5, the ports of Tacoma and Seattle and Seattle-Tacoma World Airport. The SR 509 Finishing touch Mission builds a brand new four-lane limited-access highway between I-5 and SR 509’s present finish close to Sea-Tac Airport, builds new I-5 ramps, improves I-5 interchanges in south King County and constructs new bridges. When entire, the challenge will create crucial north-south selection to the congested I-5 hall between Seattle and south King County.
A complete of $2.68 billion budget each the SR 509 Finishing touch Mission in King County and the SR 167 Finishing touch Mission in Pierce County.
Level 1A — Open
For Level 1a of the SR 509 Finishing touch Mission, WSDOT partnered with Sound Transit’s Federal Approach Hyperlink Extension challenge to construct a brand new SR 99 bridge close to South 208th Boulevard and new partitions to cut back noise to close by neighborhoods. The partnership reduces building affects by means of construction each initiatives on the identical time. The SR 99 bridge used to be opened to visitors in July 2022.
2d Level
The SR 509 Level 2 challenge comprises two lanes in every path of the long run limited-access highway. It rebuilds the interchanges at South a hundred and sixtieth Boulevard at the present portion of SR 509 in Burien and South 188th Boulevard in SeaTac, the place SR 509 these days ends. It additionally builds a southbound I-5 auxiliary lane between SR 516 and South 272nd Boulevard in Kent. In Des Moines, the challenge will strengthen 14 acres of land close to Barnes Creek off Des Moines Memorial Power.
Level 2 is a design-build contract, which mixes challenge ultimate design and building right into a unmarried contract. Atkinson Building will spend maximum of 2024 finishing design and making plans paintings. Building is predicted to start in past due 2024 or early 2025, with the brand new limited-access highway scheduled to open to visitors in 2028.
SR 509 Level 1B – I-5 to twenty fourth Road South
Level 1b of the SR 509 Finishing touch Mission is beneath means after starting building in 2021. It builds the primary mile of the brand new limited-access highway between I-5 and twenty fourth Road South. Level 1b additionally features a northbound I-5 flyover ramp to SR 509, a reconfigured I-5/SR 516 interchange, a brand new Veterans Power tunnel beneath the interstate and a brand new South 216th Boulevard bridge. This degree of building is predicted to be entire in 2025.
