An over height load raked the underside of the Easton overpass on I-90, sending chunks of concrete to the ground and exposing and compromising the integrity of the concrete girders. Engineers inspected the bridge and determined there was no way it could be safely fixed so it was demolished.
This simulation highlights what might happen in the event of a complete and catastrophic failure of the west approach to the SR 520 Floating Bridge. An earthquake could render the bridges unusable.
The east-half of the Hood canal Bridge is nearing the end of its service life and will be replaced May-June 2009. This video shows the history, the current construction, and what the bridge will look like after construction. Visit http://www.HoodCanal Bridge.com for more information.
How do you communicate maximum-throughput on a highway? Using rice, Doug MacDonald demonstrates how the maximum number of cars can be moved through a stretch of highway at the maximum speed.
Watch the expansion joint as it leaves the maintence yard. It will travel from Spokane to Tacoma, WA. The load is 200 feet long, the length of five semi-trailers. The expansion joint, truck and its equipment weigh about 370,000 pounds.
WSDOT localizes the national video "Bridging the Gap" produced by the American Association of State Highway Transportation Officials (AASHTO). This video includes an excerpt of Washington State Transportation Secretary Paula Hammond speaking about WSDOT's bridges and the health of bridges in Washington State.
This animation illustrates the drive-through experience for the cut-and-cover tunnel. For more information or to submit a comment, visit www.wsdot.wa.gov/Pro jects/Viaduct. The animation was released by WSDOT in September, 2006.
WSDOT Avalanche control technician MIke Stanford recorded what a day in his job looks like. In this case the windy conditions are just amazing, there were wind gusts of near 100 miles an hour this particular evening.
This animation illustrates the drive-through experience for the elevated structure. For more information or to submit a comment, visit www.wsdot.wa.gov/Pro jects/Viaduct. The animation was released by WSDOT in September, 2006.
