Case Studies

BoardWalk Ramp installed at County Courthouse, March 15, 2016 (with dimensions added).

BoardWalk Ramp installed at County Courthouse, March 15, 2016 (with dimensions added).

Cleveland, Ohio, the county seat of Cuyahoga County, has made some news recently. The Cleveland Cavaliers won the NBA Championship, and the parade that followed, attended by about 1.3 million people, also made national news.     Since the Cavs won, the city’s equally beloved baseball team, the...
Hydration sets the curing process in motion
As the main U.S. highway along the East Coast, Interstate 95 is one of the busiest and most important in the country. Like many others, it requires constant maintenance and oversight that can be troublesome for many state departments of transportation. One such problem arose on the I-95 South...
Hot air balloons fly over Ledgestone Redi-Rock retaining wall
The Paseo Del Norte/I-25 Interchange is one of the busiest corridors in New Mexico, often producing major traffic congestion issues during rush hours. The city of Albuquerque needed a way to make it easier and safer to travel on the highways, and wanted to incorporate a pedestrian walkway and bike...
A Dawes crane lifts a steel beam on the base of the Baraboo bypass
In Sauk County, Wis., an hour northwest of Madison, the Baraboo Bypass off U.S. 12 is coming together—literally. The south section of the bypass will be 5.4 miles long and four lanes wide, splitting from U.S. 12 at Ski Hi Road in the city of Baraboo, proceeding northward. The north section of the...
AHP risers boast precise custom sizes to match finished pavement grade
Gray & Son, Inc. is a family-owned contracting firm in Maryland with roots going back to 1908. They are currently one of the biggest paving contractors serving Baltimore and the surrounding counties, and have a reputation for introducing state-of-the-art solutions that cost-effectively keep the...
Snap-Tite system uses HDPE pipe to slip line existing CMP
Drainage systems are critical components of any type of construction, and flooding is always a risk to consider when completing public works projects. Maintenance and rehabilitation to storm water systems must be performed quickly and efficiently to prevent any significant damage from forming or...
A motor grader and pneumatic roller blade mix and compact the material
Polk County, Minn. has approximately 400 miles of gravel roads that it maintains.   “Every year the county would spend money adding gravel that was lost during the winter snowplowing season, have to fix frost boils, and receive complaints about muddy conditions during the rainy season,” said...
UDOT uses black mastic to repair rumble strips on asphalt concrete pavement
Scored pavement—or rumble strips—alert inattentive drivers to potential danger. These strips, typically applied on the shoulder or centerline, are proven to be an effective way to reduce accidents and save lives. Numerous studies also show a very high benefit-to-cost ratio for shoulder rumble...
Removing concrete from bridge deck using a Vacuworx RC 10 with Octapad System
A multifaceted approach to material handling helped a Pennsylvania bridge contractor overcome challenges associated with pulling decaying concrete slabs from a weight-restricted structure.   M.A. Beech Corp., based in Carnegie Borough, was tasked with demolishing the now-defunct Donora-Webster...
A Michigan bridge that went from four months to just four days in construction time.

A Michigan bridge that went from four months to just four days in construction time.

In 2013, the American Society of Civil Engineers conducted its latest comprehensive assessment of U.S. infrastructure systems. The results painted a grim picture, with the country earning a D+ grade. Along with the unsatisfactory score, the American Road & Transportation Builders Association...
Deployment and removal is easier, faster, safer with CRIB Cargo Carrier.

Deployment and removal is easier, faster, safer with CRIB Cargo Carrier.

Distracted driving crashes are a prime factor in traffic fatalities and injuries. The National Highway Transportation Safety Association (NHTSA) reports that 3,179 people were killed and 431,100 injured on U.S. roadways in 2014 because of distracted driving. Those figures are comparable to the two...
That is why TXDOT has typically maintained a fleet of highly mobile Gradall excavators, which was recently augmented with the addition of six new XL 4100 IV models, three of which are assigned to the area around Tyler.
The dramatic changes in Texas weather can create a wide range of maintenance issues for the Texas Department of Transportation (TXDOT). Wind, rain, heat and even droughts can create the immediate need to clear away vegetation, clean drainage canals or remove fallen or overgrown trees along roadways...
A completed riser project in Grand Rapids, Mich.

A completed riser project in Grand Rapids, Mich.

Founded in 1916, Rieth Riley Construction is a large paving firm, serving Indiana and Michigan with 30 asphalt plants. With that kind of paving volume, and a nearly century-long history, the firm has rigorously tested hundreds of infrastructure solutions, and the tools and techniques that make the...
UDOT uses gray mastic to repair interstate
A 31-mile stretch of I-70 near Richfield, Utah—from mile marker 18 to mile marker 49—was in serious need of repair. Two lanes in each direction of interstate concrete pavement had corner breaks, surface and joint spalls and panel-length cracking. In addition to heavy traffic, this area receives an...
All lanes of traffic remained open during construction of the Redi-Rock retaining walls, which are designed to install quickly and within a small footprint.

All lanes of traffic remained open during construction of the Redi-Rock retaining walls, which are designed to install quickly and within a small footprint.

THE CHALLENGE In 2015, the Kentucky Transportation Cabinet (KYTC) began work on the multi-million-dollar New Circle Road widening project in Lexington. The scope of the project included nearly 3.2 miles of lane additions, shoulder widening, on-ramp and exit ramp realignment, and bridge widening...
GeoSpray geopolymer is applied to corrugated metal pipe.

GeoSpray geopolymer is applied to corrugated metal pipe.

In the border town of McAllen, Texas, dealing with storm water run-off is a challenge. For local municipalities, it is paramount to modify storm-water infrastructure to keep up with rapid growth, and handle large amounts of water when the weather rapidly fluctuates.   After a severe drought prior...
PSS Boardwalk Ramp and platform

BoardWalk includes approach plates at curb and street levels. Modular edge castings provide guidance for use of canes and other walking devices.  

In our March 2014 Roads & Bridges Case of the Week, we featured Paul Peterson Co., Columbus, Ohio, and their efforts to help municipalities improve pedestrian safety in sidewalk work zones.   In that case study, we relayed why Peterson Co. deployed SafetyWall ADA-Compliant Pedestrian...

Two all-terrain cranes perform bridge reconstruction work on I-90

The Illinois Tollway (I-90) is in the midst of a 15-year, $12 billion capital improvement program. At the Meacham Road Interchange near the northwest Chicago suburb of Schaumburg, a $51 million bridge and ramp project is underway. The project entails reconstructing the bridge that carries traffic...
Redi-Rock retaining walls were used to provide structural support for the security access road rerouted beneath the runway at the Louisville International Airport.

Redi-Rock retaining walls were used to provide structural support for the security access road rerouted beneath the runway at the Louisville International Airport.

When the Louisville International Airport needed to extend a runway, engineers were challenged to relocate a security access road that ran through the proposed extension site. With no space to move the road and utilities, engineers decided to reroute the road through a tunnel beneath the runway.  ...
The Mabey Universal bridge detours traffic while historic bridge is widened.

The Mabey Universal bridge detours traffic while historic bridge is widened.

The Great Vermont Flood of 1927 damaged several bridges in the northern part of the state, destroying the infrastructure in the region. Two years later, Richmond’s Checkered-House Bridge was built to carry Route 2 traffic over the Winooski River and rebuild the infrastructure damaged by the...
Overlay Init