How Galloping Gertie's collapse left us a lasting design legacy. Not surprisingly, the concrete and steel of the center span that now lay on the bottom of the Narrows was deemed a total loss. The ...

The Tacoma Narrows Bridges have attracted a host of life's oddities. This special collection of "Weird Facts" offers the best of those fun and unique incidents. Here are the curious, funny, zany, ...

Abutment – A substructure element supporting each end of a single span or the extreme ends of a multi-span superstructure and, in general, retaining or supporting the approach embankment. Anchor span ...

The Washington State Department of Transportation serves people in every community, economic class and cultural group throughout the state. As such, we will meet our mission and vision only when the ...

Tacoma Narrows Bridge history - Bridge timeline Spanning Time: A Chronology of Tacoma Narrows Bridges History 1792 On May 20th, Archibald Menzies, botanist with the expedition of Captain George ...

Look here for the "nuts and bolts" of design, construction, and operations. How did they build the 1940 and 1950 Narrows Bridges? What are the parts of a suspension bridge? What architectural ...

FHWA is charged with the broad responsibility of ensuring that America's roads and highways continue to be the safest and most technologically up-to-date.

Whether you’re commuting, road-tripping or driving commercially, we have information to help you plan your route. See real-time alerts, live cameras, current travel times, and bridge and road ...

In Puget Sound the archaeological record begins about 9,000 years ago. Along the shoreline of the sound, many sites have been identified. Villages were typically located along rivers or marine ...

The decision to build the Tacoma Narrows Bridge took a long time and deciding what type of bridge to build was a complicated process, due to the various bridge styles available and the costs ...

To view available drawings for a specific state route, click a state route shield on the map below or choose the state route from the dropdown list. Use the "zoom out" to return to the whole state map ...

If you are experiencing any technical difficulties accessing the content in this section please contact workforcedevelopment@wsdot.wa.gov. Please start with making sure that all mandatory courses ...