Chattanooga I-75 concrete railing collapse over I-24

Image: Tennessee DOT via Twitter

Bridges News April 02, 2019
Crews are continuing to work on emergency repairs today after a large chunk of concrete railing fell off an I-75 North bridge onto the I-24 westbound ramp below in Chattanooga, Tenn., late Monday morning, injuring one person.   A section of I-75 was closed down to traffic after the collapse, near...
Jim Mack

New ACPA Chairman Jim Mack. Image: ACPA

Associations News January 22, 2019
The American Concrete Pavement Association (ACPA) anticipates a significant increase in square yards of concrete pavements used for highway applications in calendar year 2019.   At a press conference held at World of Concrete in Las Vegas, the association also announced that James W. “Jim” Mack, ...
WisDOT concrete pavement research
Concrete Article January 02, 2019
Joint deterioration has become a renewed concern for concrete pavements in northern climates.   Recently, a number of relatively young pavements have experienced premature joint deterioration, resulting in high amounts of maintenance. The construction industry in Wisconsin alone estimates...
Hunter Station Bridge
Bridge Design Article January 02, 2019
The Hunter Station Bridge, a $24 million, four-span replacement structure carrying Rte. 62 over the Allegheny River, recently opened in Tionesta Township, Pa.   The 1,124-ft-long bridge was designed with numerous innovations and sustainability measures to enhance safety and provide environmental...
construction work bridges
Bridges News December 12, 2018
The Utah Department of Transportation (UDOT) is preparing this week to install the largest precast bridge beams ever in the state of Utah.   The massive concrete beams will impact traffic this week as they are placed along the I-15 technology corridor in Lehi.   Forterra Structural Precast created...
Concrete Products August 28, 2018
The Tandemloc AS23B Series Concrete Barrier Lifting Grab is individually proof tested, made in the USA and comes standard with the Tandemloc Autolatch mechanism for a safe, touchless operation. Tandemloc Concrete Barrier Grabs are compatible with several common barrier profiles, including the...
Michael Sweeney, HNTB
Associations Article July 02, 2018
With continued partisan gridlock in the U.S. Congress, it has been difficult for meaningful federal transportation initiatives to roll forward–and progress is likely to remain stalled until 2019 or later. President Trump admitted as much in a late-March speech when he predicted, “You’ll probably...
Road Zipper System
Concrete Products May 29, 2018
The Road Zipper System is a moveable barrier that creates additional work-zone space for construction crews, while mitigating congestion by providing more lanes in the peak traffic direction. This significantly reduces user delay costs and provides additional safety by separating opposing traffic...
Thin concrete
Concrete Article January 03, 2018
As a durable, economical and low-maintenance concrete material, roller-compacted concrete (RCC) is steadily becoming the choice for many pavement applications. And researchers in Louisiana are testing just how thin those applications can go.   Traditionally, RCC pavements have been built with an 8...
Concrete curling
Concrete Article January 03, 2018
Today’s modern concrete construction technologies and experienced personnel provide an opportunity to construct the smoothest concrete pavements and slabs in history.   Smooth pavements and slabs are in high demand because they reduce cracking, improve ride quality, reduce noise and improve fuel...
The 7.1-magnitude earthquake in Mexico caused significant infrastructure damage.

Image source: BGR

Asphalt News September 21, 2017
The magnitude-7.1 earthquake that hit central Mexico this past Tuesday afternoon has left more than 200 people are dead. It is marked as the worst natural seismic event in the area in more than 30 years.   Geoffrey Abers, a geophysicist at Cornell University who uses the tools of earthquake...
Asphalt Paving News August 21, 2017
On Aug. 18, 2017, the editorial staff of Roads & Bridges magazine visited the $2.3 billion I-4 Ultimate project in Orlando, Fla. The 21-mile project site is presently at the midpoint of its construction, and the scale was enormous. We brought our 360 camera along for the trip. Here's another...
I-4 Ultimate In Orlando logo
Asphalt News August 21, 2017
On Aug. 18, 2017, the editorial staff of Roads & Bridges magazine visited the $2.3 billion I-4 Ultimate project in Orlando, Fla. The 21-mile project site is presently at the midpoint of its construction, and the scale was enormous. We brought our 360 camera along for the trip.
QUIKRETE Rapid Road Repair
Concrete Products May 30, 2017
QUIKRETE Rapid Road Repair is a fast-setting material designed to make permanent partial-depth repairs up to 2 in. thick on bridge decks, concrete highways and other industrial structures. It contains alkali-resistant (AR) glass fibers for improved flexural performance essential for applications...
DOTs pool resources to meet preservation aim
Paving Article April 03, 2017
The Washington Department of Transportation (WSDOT) is leading the effort to develop the world’s largest concrete pavement preservation experiment.   This experiment, based upon the Long Term Pavement Performance (LTPP) project on concrete pavements termed SPS-2, will extend the performance data...
Southbound I-75 will close for two years as Rouge River bridge concrete is replaced

Image source: Michigan DOT

Concrete News January 30, 2017
A two-year closure of I-75 between Detroit and Downriver will commence this coming weekend. The Michigan Department of Transportation's (MDOT) $200 million construction project includes replacing all of the concrete on the I-75 Rouge River bridge, the largest concrete surface in the state.   MDOT...
New concrete deck placement on I-190 SB.

New concrete deck placement on I-190 SB.

Bridges Article January 03, 2017
Just to the north of roaring Niagara Falls is the heavily traveled Lewiston-Queenston bridge connecting New York State to Ontario, Canada, over the mighty Niagara River.   The I-190 corridor that serves the bridge traverses a multitude of critical infrastructure, which supplies nearly 5 million New...
New technology monitors concrete pavement health
Concrete Article January 03, 2017
Pavements tend to deteriorate over time under repeated traffic loads and/or certain environmental conditions.   By detecting pavement distresses and damage early enough, it is possible for transportation agencies to develop more effective pavement maintenance and rehabilitation programs and thereby...
NLB Model 6600-2 Concrete Buster is a hydrodemolition and surface prep application option
Concrete Products December 27, 2016
NLB Model 6600-2 Concrete Buster is a hydrodemolition and surface prep application option. Unit can be remote controlled for optimum operator safety. Capable of operating at water-jetting pressures of up to 40,000 psi at 12 gpm. Rear-mounted, 96-in. wide, hydraulically-powered SPINJET bucket...
PennDOT S.R. 50, Millers Run—Gold award winner for Overlays (Highways)

PennDOT S.R. 50, Millers Run—Gold award winner for Overlays (Highways)

Concrete News December 20, 2016
The American Concrete Pavement Association (ACPA) has named recipients of its 27th Annual “Excellence in Concrete Pavements” awards, which recognize quality concrete pavements constructed in the United States and Canada.   The awards program encourages high-quality workmanship in concrete pavement...
Overlay Init