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 ...

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 ...

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 ...

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 ...

State officials are seeking public input about a bridge replacement project that will shutter Memorial Highway (Route 415) in ...

The lane closures on I-275 North and South are to allow for the installation of final pavement markings and traffic control devices at the bridge over Elm Street and Bernard Avenue. The lane closures ...

Replace the 535-foot-long timber Knickerbocker Bridge with a material that could withstand close tidal waters and the harsh marine environment. The 32-foot-wide, eight-span, 540-foot long ...