Precast Segmental Guideway Forges Important Transit Link

When engineers were tasked with the assignment of designing the last link in the new Seattle Sound Transit light rail system, they already had a model to work from. The same group had recently completed a similar project in Vancouver, British Columbia, Canada. “Conceptually, we looked at a lot of different possibilities for the project, but our experience from the Vancouver project pointed us toward building an elevated system employing segmental precast concrete bridges,” says Christopher Hall, Senior Project Manager for International Bridge Technologies (IBT) in San Diego, designers of the bridges.