Category: Structural Inspection

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 »

Underwater Inspection: When, Why, and How

By Rick Maslyn, CBI Some of the most important foundation elements of a bridge are its least visible – the abutments, piers, piles, and footings submerged under the waterline. Regular inspection, both above and below the waterline, helps to keep aging structures solid and stable. About the Expert: Rick Maslyn, Ayres’ supervisor of structural inspection,… 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 »