Case Studies
Stark Asphalt, headquartered in Milwaukee, is one of Wisconsin’s largest and most progressive paving firms. It has been in business for more than 50 years, operates four asphalt drum mix facilities and, in 2011, completed the single largest asphalt paving contract in the history of the Wisconsin...
Building a bridge is a complex process, and deconstructing one as intricate as the Goethals Bridge spanning the Arthur Kill between Elizabeth, N.J., and Staten Island, N.Y., is equally as complicated. The deconstruction process required reversing the order of the original bridge’s construction. The...
On highway M-20, east of New Era, Mich., a 70-ft metal plate arch culvert was experiencing moderate to severe section loss in the invert from corrosion and abrasion. The steep decline in condition due to corrosion was attributed to the intermittently flowing creek and the invert’s frequent exposure...
It is often said that football is a game of inches. So is using two cranes to set 120,000-lb bridge beams.
“With those final, exacting adjustments, you absolutely must have selected the right machines and the most experienced operators,” said Edwin Suazo, project coordinator for ALL Sunshine...
The West Virginia Turnpike, an 88-mile four-lane toll road including stretches of I-77 and I-64, is a winding and elevated highway through mountainous terrain. There are 116 bridges on the Turnpike, and prior to 2016, the average bridge age was 32 years old. In 2016, the Turnpike commenced a...
Since 2006, adjustable manhole risers have been just right for a project detail that had previously been a bit of a hassle for E.T. Simonds Construction Company in Carbondale, Ill. “We do all sorts of road-related work, and of course we do a lot of paving jobs that require the raising of manholes...
The Interstate 90 Bridge over the Mississippi River between La Crosse, Wis., and La Crescent, Minn., is a heavily used commuter route and part of the longest interstate highway—I-90—in the country, spanning from coast to coast and providing important commercial and defense infrastructure for the...
Home to Birmingham, and more than 660,000 residents, Jefferson County is Alabama’s most populous county. The sewer network the county maintains includes 3,600 miles of pipe and 80,000 manholes. That last figure represents a sizable amount of annual maintenance; though manholes themselves are...
As a certain saying reminds us, functioning smoothly and efficiently requires the left hand to know what the right hand is doing. So imagine how critical it is for two cranes to work together seamlessly when combining efforts on a pick. Such was the case on a 13-mile phase of the colossal Southern...
Forth Bridge Queensferry Crossing under construction.
The Queensferry Crossing near Edinburgh, Scotland is a cable-stayed bridge with three pylons over 200 meters in height. It is one of the largest infrastructure projects in Europe and benefited from ultra-modern reinforcement planning in 3D thanks to the engineers from Leonhardt, Andrä und Partner (...
RAPTOR demonstrates TPRS deployment at PTC
Traffic engineers at the Pennsylvania Turnpike Commission (PTC) first tested RoadQuake 2F Temporary Portable Rumble Strips (TPRS) in live work zones in September and October of 2015. Their goal was to determine if TPRS arrays would increase driver awareness and alertness in their work zones.
...
Eric Urness, P.E., central regional vice president with Interstate Engineering in Mandan, N.D., was working on plans to reconstruct a 11.5-mile section of BIA Rte. 6 from 86th Ave. to 31st Street in Mountrail County, N.D. Due to the recent growth of the oil industry in this area there has been a...
 bridge in Takoma Park, Maryland.jpg?itok=EqeMu4ye "The Carroll Avenue Bridge in Takoma Park, Md.")
The Carroll Avenue Bridge in Takoma Park, Md.
Historically and visually impressive, the S.R. 195 (Carroll Avenue) bridge is a three-span, 224-ft structure that crosses the Sligo Creek Parkway, Sligo Creek and the Sligo Creek Trail in Takoma Park, Md.
The origins of the S.R. 195 bridge began in 1878 with a humble, low-lying wooden bridge that...
With Allplan Engineering, 2018 engineers can conveniently generate a 3D model of the reinforcement of double-curved supporting structures with varying cross-sections.
With an arched span of 869 ft, a superstructure length of 1,369 ft and a height of 772 ft above the valley floor, the Tamina Bridge—planned by the engineering office Leonhardt, Andrä und Partner (LAP)—is the largest arched bridge in Switzerland. LAP used Allplan Engineering to create the structural...
Several years ago, the city of Milwaukee was experiencing issues with their cast-iron manhole risers installed throughout the area. “They’re usually fine, but on occasion they would slip or rattle out, and that led to car damage and claims—there was definitely room for improvement,” said Milwaukee’...
Alkali-silica reaction (ASR), commonly known as “concrete cancer,” is a chemical reaction that can wreak havoc on concrete structures and accelerate deterioration. This corrosive force is quite prevalent in concrete bridge rails and can cause a number of issues, such as negatively affecting the...
With a total investment cost of around 1 billion Swiss francs, a high-quality superstructure for services is emerging that will provide a usable area of 180,000 square meters at the foot of the Butzenbüel hill and within walking distance of the Zurich Airport terminal. As soon as January 2015, the...
Wilkin County, Minn., has stabilized an estimated 80 miles of gravel surface roadways and 30 miles of full-depth reclamation projects with the same base stabilizer. The county had a stabilized full-depth reclamation project scheduled for Wilkin County Highway #8 in 2014.
"Due to some unforeseen...
The Owl Canyon Corridor in northern Larimer County, Colo., is an 11-mile section of Larimer County Road 70 and 72 that serves as an important connection between U.S. Highway 287 and I-25. The westernmost three miles of the corridor is non-paved, consisting of a treated gravel surface.
As the...
Copyright, Pittsburgh Post-Gazette, 2018, all rights reserved. Reprinted with permission.
One of the country’s largest construction projects undertaken by a public-private partnership is winding down, and ALL Crane Rental of Pennsylvania was in the thick of it. The ambitious $900 million project saw Plenary Walsh Keystone Partners and the Pennsylvania Department of Transportation (...
