Tag: Structural Design

How Much Weight is Too Much for a Bridge? Engineers’ Ratings Have the Answer

In mid-May of 2018 a driver crossing a bridge in the Town of Lafayette in Chippewa County, Wisconsin, noticed something was wrong with the bridge. Town officials quickly saw the problem – the bridge had a major crack in the deck, and a pier pile holding up the bridge had buckled, causing the bridge to… Read More »

What Is Riprap? And Why It Rocks!

What is Riprap? Riprap describes a range of rocky material placed along shorelines, bridge foundations, steep slopes, and other shoreline structures to protect from scour and erosion. Rocks used range from 4 inches to over 2 feet. The size of the rock needed on a project depends on the steepness of the slope and how… Read More »

Inspectors Make Sure Gorgeous Bridges Are Safe Bridges

By Rick Maslyn, CBI MSN.com recently compiled a listing of “Gorgeous Photos of Bridges in Every State.” The photos range from suspension and cable-stayed bridges crossing major water bodies to pedestrian bridges in parks. What unites these and most of the approximately 600,000 structures in the United States is that they are safe because they… Read More »