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 ...

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 ...

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 ...

When the Oregon Department of Transportation (ODOT) replaces bridges or busy highways, the agency often requires contractors to install a temporary detour bridge to ...

Lego-like 3D-printed beams offer lightweight alternative to concrete By Nick Lavars March 09, 2021 According to research team behind them, the new 3D-printed beams weigh up to 80 percent less than ...