Author: ayres

WLIA Recognizes Derringer for Outstanding Contribution

The Wisconsin Land Information Association has awarded its 2019 Outstanding Contribution Award to Adam Derringer, GISP. Derringer is a project manager in our aerial mapping group. The Outstanding Contribution Award is given to an individual or organization that has made a substantial contribution to WLIA activities or the Wisconsin Land Information Program. Derringer has been… Read More »

Battling Bridge Scour With Research, Inspections, And Training

Some of the most important foundational elements of a bridge are its least visible – the abutments, piers, piles, and footings submerged under the waterline. That’s where bridge inspectors look for scour – the erosion of soil surrounding a bridge foundation (piers and abutments). Bridge scour occurs when fast-moving water around a bridge removes sediment… Read More »

Award Winning Project Adds Resilience to Canyon Highway

By John Hunt, PE In September 2013 a flood devastated parts of Colorado, taking lives, destroying homes, and damaging critical infrastructure and transportation networks. The flooding was especially crippling to many mountain corridors north of Denver, where hundreds of miles of road were washed out, cutting off access to many small mountain towns. Among the… Read More »