A piece of concrete fell from a railroad bridge in East Baltimore on Sunday ... The Downeaster track service will be affected ...

Bridge has been constructed with stainless steel reinforcement, high-grade protective paint, and fully welded joints. A ...

1. It all begins at the prestressed concrete plant. 2. This is called a prestressing strand. Made of high strength steel, it will soon be embedded in concrete. 3. The prestressing strand is ...