Tale of Two Centuries: How to Save a Historic Bridge
It was three years after the Model T became the first mass-produced automobile when a salesman from the Iowa Bridge Company met with the City of Chippewa Falls, Wisconsin, to extol the virtues of a new type of bridge from the Marsh Engineering Company. The attractive rainbow-arched bridge with glass globe lanterns at each of… Read More »
Tags: Bridge, Bridge Rehabilitation, Bridge Repair, Fiber-Reinforced Polymer, Marsh Rainbow Arch Bridge, Structural Design, Structural Inspection
How to Make Curves Safer: High Friction Surface Treatment One of Many Options
The I-43/I-41 HFST shows up as a texturized surface that improves grip on this curved fly-over ramp. Verville Roth By Phillip Verville III, PE, and William Roth, PE Traveling down a straight stretch of highway generally is not a high-risk endeavor. Throw in a curve and some rain or snow, though, and your chances of… Read More »
Tags: Compound Curves, Curve Reconstruction, HFST, High Friction Surface Treatments, Lane Drops, Pavement Grooving, Rumble Strips, Signage, Slope Flattening, Superelevation Correction
Good Sign: Creativity Promotes Three E’s of Traffic Safety
As the Ace of Base song says, “I saw the sign, and it opened up my eyes…” Before that, the Five Man Electrical Band (and later Tesla) declared “signs, signs, everywhere a sign.” And the musical duo Hall & Oates were “looking for a good sign” in the 1980s. Driving along the roadway, you’ll see… Read More »
Tags: Dynamic Message Signs, Electronic Road Signs, Public Safety, Signage, Three E's of Traffic Safety, Traffic Engineering, Traffic Safety, Transportation