OLYMPIA, WA - The Washington State Department of Transportation is considering a program to raise the clearance height of some steel truss bridges built from the late 1940's to the early 1960's. There ...
Corrections and clarifications: This story has been corrected to describe the pedestrian bridge as a truss design, despite its cosmetic appearance as a cable-stayed bridge. The central column and ...
The Florida International University pedestrian overpass that collapsed catastrophically during construction last week was advertised as a “cable-stayed” bridge, but it actually wasn’t: Instead, it ...
Not many bridges can take a direct hit from a 95,000-ton ship without crumbling, engineering experts agree. But they also say Baltimore’s Francis Scott Key Bridge, if built today, might have stood a ...
In their competing accounts of what went wrong before last year’s Florida pedestrian bridge collapse, both the contractor and designer agree on one point: The concrete was never “roughened” at ...
Did it crack when it was lifted into place? Was it a snapping steel support that did it in? Or was it a fatally flawed design from the start? And what was the doomed construction crew member doing ...
Those are the words used last week by one of the National Transportation Safety Board’s investigators, engineer Daniel S. Walsh, in seeking the “why” behind the ...
We’ve recently shared stories about the three bridges that preceded the Ann Richards Congress Avenue Bridge at the same Central Austin crossing over the Colorado River — a pontoon bridge from the ...
Keywords: Retrofitting. Bridges. Steel. Trusses. Piers. Bridge steel truss piers. Controlled rocking approaches. Passive control. Energy dissipation devices. Pier ...