Tag: Washington State Department of Transportation: Page 2

Roadbuilding

WSDOT details demo plans for the Alaskan Way Viaduct in Seattle

Washington State Department of Transportation has detailed their plans to demo the Alaskan Way Viaduct in Seattle. Learn more on this on Equipment World.

January 17, 2019

Roadbuilding

Wash. lawmakers order noise study of 520 Corridor connecting I-405 and I-5

Washington state residents are sick of the grating “ka-think” noise they hear every time a vehicle drives over the metal expansion joints on the 520 Corridor.

December 14, 2018

Roadbuilding

Celebration planned to mark opening of new SR 99 tunnel in Seattle

The WSDOT will celebrate the grand opening of the new State Route 99 tunnel. Get more details and other heavy equipment industry news on Equipment World.

November 21, 2018

Roadbuilding

WSDOT permanently closes bridge due to pier settlement, new bridge scheduled

WSDOT decided it would be better to close the bridge, rather than try to repair the settlement, which was estimated to cost more than $2 million. More here.

September 13, 2018

Roadbuilding

Seattle’s SR 99 tunnel, dug by TBM Bertha, nears completion

The State Route 99 tunnel in Seattle, Washington is officially getting its stripes which is a sign that the project is almost completed. Get more details here.

September 7, 2018

Roadbuilding

Here’s what WSDOT found after 6 years testing 9 hot-mix asphalt preventive maintenance techniques

After studying 9 hot-mix asphalt preventative maintenance techniques over the course of 6 years, find out which techniques work best according to the WSDOT.

August 8, 2018

Roadbuilding

WSDOT performs maintenance on Seattle’s I-5 Ship Canal Bridge

The Ship Canal Bridge is one of more than 300 bridges in Washington state that the WSDOT says is in need of a complete deck overhaul within the next 10 years.

June 25, 2018

Roadbuilding

Last road panel installed in Seattle SR-99 tunnel dug by Bertha

The Washington State Department of Transportation reports that the last of 1,152 road panels have been installed on the new State Route 99 tunnel, which will replace the Alaskan Way Viaduct. The panels form the lower deck of the double-deck highway, which will allow drivers to travel under downtown Seattle as a bypass or stay […]

April 2, 2018

Roadbuilding

Slow motion landslide on Wash.’s Rattlesnake Ridge threatens I-82

A crack in Rattlesnake Ridge above the small town of Union Gap, Wash., discovered in October 2017, has turned into a crevasse, widening at a rate of 1.7 feet per week, Courthouse News reports. Geologists expect the entire section of bedrock to break off completely by May and slide down the side of the mountain, […]

January 30, 2018

Roadbuilding

New I-90 avalanche bridge at Wash.’s Snoqualmie Pass set to open

The westbound lanes of the new Interstate 90 avalanche bridge will soon open at Snoqualmie Pass, which will allow the Washington State Department of Transportation (WSDOT) to clear snow from the hillside without interrupting traffic on the interstate, King 5 reports. WSDOT crews will be able to trigger an avalanche to help flush snow into […]

November 14, 2017

Roadbuilding

Flight through Bertha’s tunnel shows SR 99 construction progress

The drone footage below, from the Washington State Department of Transportation (WSDOT), takes you on a tour of the SR 99 tunnel that tunnel boring machine Bertha excavated under Seattle. The drone enters the end of the tunnel nearest the Space Needle and travels through the tunnel to the other end near the stadiums. The […]

November 1, 2017

Roadbuilding

10 DOTs win 2016 Perpetual Pavement Award

The Asphalt Pavement Alliance (APA) presented 10 departments of transportation with 2016 Perpetual Pavement Awards. The award recognizes state transportation departments and local agencies for asphalt pavements at least 35 years old that have proven, high-quality structural design and are performing well. The pavement must have had a structural failure, should have an average of at least 12 years between […]

April 10, 2017