Category: Structural Design

A Crash Course for Load Ratings and Bridge Posting Signs

By David Johnson, PE Have You Ever Wondered What Those Weight Signs Posted at the Ends of a Bridge Mean? These weight posting signs display the maximum safe weight for a vehicle. Since there are a number of different vehicle sizes and shapes on the roads today, different types of vehicles called “Legal Loads” are… Read More »

Innovative Engineering Expands the Role of Infrastructure

By Dan Sydow, PE Sustainability thought leaders around the world are changing the way we perceive infrastructure – the service mechanisms and underlying hardware that serve our communities every day. These systems supply clean water, power up our homes and businesses, enable safe travel, remove waste, facilitate communication, connect us to the internet, and much… Read More »

BIM Delivers Dividends on Unusual Structure Upgrades

By Pete Haug, PE Building information modeling (BIM) can play a big role in keeping the wheels from coming off an intricate project. We’ll look at a case study of a turbine and powerhouse upgrade project where the goal was to minimize changes to the exterior of a historic 1910 dam. But first, here are… Read More »