6 - The construction of the east and west piers, which descend over 100 ... and 40,000 tons of concrete. The St. Louis Bridge establishes James Eads as one of the most successful engineers ...

PennDOT has found another crack in a support pier that carries traffic on I-579. It comes just about a month after PennDOT ...

The weight of the beam pushes straight down on the piers. The beam itself ... Pre-stressed concrete is an ideal material for beam bridge construction; the concrete withstands the forces of ...

PennDOT has shut down the HOV lane from the Veterans Bridge onto I-279 in Pittsburgh after discovering a crack in one of the concrete piers that supports the bridge ramp. What was a small crack ...

Nov. 3, 2021 Around 7:30 p.m. on Nov. 3, 2021, a 30-foot vessel struck a bridge pier, resulting in minor injuries to the crew on board and a cosmetic scrape to the steel around the concrete pier.