News

RB April 2018 FIU Bridge collapse coverage
Associations News May 23, 2019
The American Society of Business Publication Editors (ASBPE) recently announced its 2019 National Awards of Excellence winners, which included Roads & Bridges earning a Gold National Azbee Award in the Print category for its coverage of the Florida International University (FIU) bridge collapse...
State of the Bridges

Illustration: Maximmmmum / stock.adobe.com

Bridges Article May 03, 2019
              Source: Roads & Bridges survey   Some illustrations in this section: made by Freepik from www.flaticon.com  
Figure 1 underlay concrete specimen

Figure 1. An underlay concrete specimen for the Double-L test showing a grooved interface.

Bridges Article May 03, 2019
A crucial component of concrete overlays is the bond that exists between the underlying slab and the overlay.   For the concrete overlay to perform as intended, the overlay and the deck slab on which it is placed should behave as a monolithic structure. Therefore, the durability of the entire...
FIU bridge collapse March 2018
Bridges News May 03, 2019
The construction company that built the Florida International University (FIU) pedestrian bridge, which collapsed in March 2018 and killed six people while injuring another eight, has reached a deal with insurers to pay up to $42 million to the victims and their families, according to a Miami...
Illinois Tollway Mile Long Bridge

Image: courtesy of Illinois Tollway

Highway Construction News April 23, 2019
The Illinois Tollway Board of Directors recently approved six new construction and professional engineering service contracts totaling nearly $228.7 million at its April meeting, including a $184.6 million contract to reconstruct the northbound Mile Long Bridge on the Tri-State Tollway (I-294)—the...
U.S. DOT grant funding opportunities
Road Construction News April 22, 2019
The U.S. DOT has formally announced a Notice of Funding Opportunity (NOFO) to apply for $900 million in discretionary grant funding through the Better Utilizing Investments to Leverage Development (BUILD) Transportation Discretionary Grants program.   “These BUILD Transportation grants will provide...
I-80 bridges over Des Plaines River, Joliet, Illinois
Bridges News April 19, 2019
The Illinois DOT (IDOT) announced that regularly scheduled inspections of the I-80 bridges over the Des Plaines River in Joliet are set to begin April 29.   Daily lane closures will be required, starting with the westbound bridge until May 6, when inspections begin on the eastbound bridge....
bridge inspection; bridge analysis
Associations News April 15, 2019
The American Association of State Highway and Transportation Officials (AASHTO) recently published the second edition of its Manual for Bridge Element Inspection (MBEI) reference guide.   The new reference guide replaces two current AASHTO publications, including the first edition of the MBEI,...
Sixth Street Viaduct Bridge Los Angeles
Associations News April 05, 2019
CEMEX supplies largest bridge ever in Los Angeles March 28, 2019—CEMEX USA announced it is providing concrete, including a specialized self-consolidating mix, along with thousands of tons of aggregates for the largest bridge project in the history of Los Angeles, Calif.—the replacement of the...
Arlington Memorial Bridge

Image: ARTBA

Associations News April 03, 2019
The American Road & Transportation Builders Association (ARTBA) analysis of the recently released U.S. DOT 2018 National Bridge Inventory (NBI) database reveals that 47,052 of U.S. bridges are classified as structurally deficient and in poor condition.   Vehicles of all kinds cross these...
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...
High Bridge arch span deck finishing
Bridges Article April 01, 2019
The Smith Avenue Bridge, known as the High Bridge, spanning the Mississippi River in St. Paul, Minn., consists of three continuous tied steel arch main spans with steel multi-girder approach spans.   Originally constructed in 1987, the main spans consist of a 502-ft full arch (Span 4) and two half...
Wildcat Creek Bridge Cascade Mountains
Bridges Article April 01, 2019
The Cascade Mountain Range runs from Northern California into British Columbia, Canada, dividing the state of Washington in two.   Western Washington is home to the lush greenery and moody skies of Puget Sound, including the surging Seattle metropolitan area—mocha lattes and Microsoft; shipyards...
Mississippi DOT emergency bridge closures

Image: Mississippi DOT

Bridges News March 27, 2019
Under the authority of Gov. Phil Bryant’s April 2018 emergency bridge closure proclamation, the Mississippi DOT (MDOT) today was directed to begin immediately closing at least 34 local bridges.   “If these bridges remain open, it will not only present a safety hazard to the traveling public but...
Hudson River Tunnel project Amtrak

Image: Amtrak

Bridges News March 18, 2019
The Federal Transit Administration (FTA) rated the Hudson River rail tunnel project between New York and New Jersey with a medium-low grade in its most recently released ratings for infrastructure projects around the country.   According to the Associated Press, this is the same rating the agency...
Mackinac Bridge in Michigan; bridge monitoring sensors

Image: Justin Billau [CC BY-SA 2.0] via Wikimedia Commons

Bridges News March 12, 2019
Researchers in the state of Michigan are planning to install up to 2,000 infrastructure sensors on the Mackinac Bridge in order to explore the logistics of a large-scale deployment and provide useful monitoring data to the Mackinac Bridge Authority (MBA).    According to a press release from the...
I-5 bridge over Columbia River

Image: Cacophony [CC BY-SA 2.5] via Wikimedia Commons

Bridges News March 07, 2019
The Washington State Senate Transportation Committee recently passed a $15 billion transportation package that includes $450 million to replace the I-5 bridge over the Columbia River.   The project has been a priority for lawmakers in Clark County, who have been working to collaborate with the...
FIU pedestrian bridge collapse
Bridges News March 05, 2019
Nearly a year after the Florida International University (FIU) pedestrian bridge collapsed, Magnum Construction Management (MCM), the Miami-based contractor hired to install the bridge, has filed for bankruptcy.   MCM, formerly known as Munilla Construction Management, submitted its Chapter 11...
Road and bridge construction podcast

Logo Images: Trifonenko Ivan / SkyLine / stock.adobe.com

Bridges News March 01, 2019
In a fully loaded Infrastructure Insider, we go over the recent bridge troubles in Chicago and the Chicagoland area. Associate Editor Tim Bruns talked with the Chicago DOT after bridge cracking was discovered on Lake Shore Drive (5:45). The I-80 bridge in Joliet also is in trouble. We talked to...
I-10 Calcasieu River Bridge

Image: Chamber of Southwest Louisiana

Bridges News January 28, 2019
The Chamber of Southwest Louisiana (SWLA) recently released recommendations for their I-10 Bridge Task Force for the Calcasieu River Bridge.   These recommendations, which were approved by the Chamber board on Tuesday, provide the state with a well-researched, detailed action plan to tackle the...
Overlay Init