Bridges
Welcome to the Bridges Channel, a special feature that provides the user an in-depth look at the bridge industry. This section offers several areas to explore: product spotlights, article archives, related case studies, related video and product/supplier contact list.
Cranes and bulldozers rule different realms: one, the air and the other, land. So it is not every day they collaborate on setting a bridge, but they did just that for a temporary cantilever bridge in Aurora, N.C., in January. The 125-ft span is needed to maintain traffic flow on Rte. 33 over...
Image: @RoseanneTellez on Twitter
Transportation officials in the city of Chicago have shut down the northbound lanes of Lake Shore Drive at the bridge over the Chicago River due to what is being referred to as a structural emergency.
Crews first spotted cracks in the support beams of the structure around 10 a.m. Monday beneath...
Image: Chamber of Southwest Louisiana
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...
Image: Nevada DOT
The Nevada Department of Transportation (NDOT) recently broke ground on the $73 million next phase of the Centennial Bowl interchange in northwest Las Vegas.
The interchange is where U.S. Highway 95 meets the 215 Beltway. Las Vegas Paving is the general contractor for the project, with a...
Image: Modjeski and Masters
The New York State Department of Transportation (NYSDOT) recently awarded a contract to Modjeski and Masters for the rehabilitation of two vertical-lift bridges over the Erie Canal.
As the prime consultant on this contract, Modjeski and Masters will provide a full inspection of all structural,...
The Post-Tensioning Institute (PTI) announced this week during a World of Concrete press conference in Las Vegas its current and future initiatives to help augment durability of post-tensioned concrete bridges and other structures.
In response to feedback from the industry, PTI is currently...
The old Tappan Zee situated behind the new Cuomo Bridge during its construction.
The old Tappan Zee Bridge in Tarrytown, N.Y., was finally demolished on late Tuesday morning with a controlled collapse into the Hudson River.
The rescheduled demolition was smoothly executed, as explosive charges safely detonated at the support columns on the bridge's east anchor span. The...
Image: NCDOT
The North Carolina Department of Transportation (NCDOT) has included more than 1,600 transportation projects in the state's draft 2020-2029 transportation plan, which was released last week.
The State Transportation Improvement Program (STIP) is NCDOT's proposed funding and construction schedule...
Photo: NCDOT Flickr
The Herbert C. Bonner Bridge, which carries N.C. 12 over Oregon Inlet between Hatteras and Bodie islands, is well past its design life and is being replaced with a new bridge that will better withstand its coastal environment. Work began in March 2006, and now it looks like the project is segueing...
Transportation construction work across the nation has been put on hold by the federal government shutdown, with state transportation officials withholding approvals for 2019 projects until federal funding is guaranteed, according to a report from The Washington Post.
The amount of federal...
Figure 1
In the late 1980s, the author introduced the concept of repair and strengthening of structures using fiber reinforced polymer (FRP) products. The original concept uses a technique referred to as wet layup. Fabrics of carbon or glass typically 12 to 48 in. wide are saturated with an epoxy resin in...
Image: Arizona DOT
Nearly two years after major construction began on the Loop 202 South Mountain Freeway, construction on the state’s largest single highway project is entering the new year with nearly two-thirds of the work complete.
Progress is evident throughout the 22-mile corridor as crews put down asphalt...
The Florida Department of Transportation (FDOT) knew that the big box culvert running under State Road 64 in downtown Bradenton, Fla., either had to be replaced or rehabilitated—the question was how.
“We’re not even sure how old this culvert is, but judging by the square, twisted rebar, it...
The original light-blue cantilever truss structure connecting the towns of Ironton, Ohio, and Russell, Ky., opened in 1922 as one of the earliest highway bridges crossing the Ohio River.
In 1999, the Ironton-Russell bridge was identified for replacement by the Ohio Department of Transportation (...
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...
Image: I-74 Bridge Twitter feed
Work has been progressing since Roads & Bridges’ visit to the I-74 Bridge project in the Quad Cities early this year, and now it looks as though one unique aspect of the project is beginning to come together.
This past week, just after the holidays, the bridge’s Twitter account posted a photo...
Image: Walsh Construction
Work on the new Kennedy Mill Bridge in Kentucky has completed 11 months ahead of schedule.
The new bridge connects Mercer and Garrard counties across Herrington Lake. Originally scheduled for completion in November 2019, the Kennedy Mill Bridge replaced a 94-year-old, triple-span truss bridge...
Few are the bridges in the U.S. that have been around as long as the Norwalk, Conn., Walk Bridge. The 122-year-old structure has been a stalwart corridor, carrying rail traffic on Metro-North’s New Haven Line as well as Amtrak service on the Northeast Corridor that serves passengers traveling...
The intersection of Routes 9 and 440 with the Garden State Parkway, one of New Jersey’s busiest and most vital cloverleaf complexes, developed sinkholes following Hurricane Irene in 2011. More than 500 ft of 60-year-old pipe were failing, with joints that were falling apart and some inverts that...
Image: WSDOT
The Washington State Department of Transportation (WSDOT) recently announced its plans for the demolition of the Alaskan Way Viaduct in Seattle, which is scheduled to begin in February 2019.
The work to demolish the structure will take approximately six months to complete as crews move along the...
