This study addressed the need to increase the flexural capacity of deteriorated pre-stressed concrete box beams through an experimental campaign involving the design, application, and testing of a ...

SCHUYLKILL HAVEN – The first beams that will eventually support the traffic lanes of the new $4.2-million Columbia Street bridge were delivered and installed Monday morning, PennDOT reported. In a ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

A contractor set 10 pre-stressed concrete box beams over Letort Spring Run Friday at the East High Street bridge construction project over LeTort Spring Run. High Street was reduced to a single lane ...

The McKenzie interchange is about to start looking a lot more like an interchange this weekend. On Saturday and Sunday, work crews will lift into place the precast concrete box beams that will ...

Caltrans engineers are scrambling to replace Pfeiffer Canyon Bridge, a 317-ft-long, concrete continuous box-beam bridge on a key coastal highway after mudslides moved one of the support columns more ...