Does This Buckling Bridge Hint at Larger US Infrastructural Woes?

Green Bay drivers were treated to an unwelcome surprise yesterday, when the discovery of a dramatically sagging pier on the heavily trafficked Leo Frigo bridge (named after a cheese magnate, because Wisconsin) forced its indefinite closure. The incident coincided with a new AP report about the deteriorating state of… » 9/26/13 4:46pm 9/26/13 4:46pm

The Zipper Truck Lifts Thousands Of 1,500-Pound Blocks In Minutes

For years, San Francisco's iconic Golden Gate Bridge was a deathtrap. Cars would zip past one another at 65 MPH, separated by a thin line of yellow traffic cones, and head-on collisions were routine. However, a new barrier system—laid by a massive vehicle known as a Zipper Truck—will keep passing drivers from landing… » 6/21/12 12:40pm 6/21/12 12:40pm