An overlay and slipforming equipment help pave I-59 in Alabama.
Upgraded software increased paving efficiency on a 13-mile stretch of Iowa's Highway 30.
When the Kennebee River Arch Bridge needed replacing, a unique modern design was chosen to replace it.
The Pont Telpyn Bridge, located in Denbighshire County, Wales, needed serious remediation after severe flood damage.
Norfolk Southern embarked on a $150 million project to increase the height of 28 of its Appalachian tunnels and ensure that they will be safe and stable for another 100 years.
A survey of the Oklahoma City section of I-44 proved to the Oklahoma Department of Transportation (ODOT) that it was in desperate need of repair. Their solution: concrete pavement restoration (CPR).
The Brightman Street Bridge had endured 100 years of use and abuse. Serving the city of Fall River, Mass., it is a vital link for residents traveling across the Taunton River to neighboring areas.
Although asphalt has dominated the road repair market for years, recent studies and changing market conditions now indicate the numerous benefits of concrete over blacktop.
Falling into disrepair after years of neglect, the Ashtabula Lighthouse, Ashtabula, Ohio, was ready for restoration.
When two sculptures were built for the new I-35W St. Anthony Falls Bridge in Minneapolis, the decision was made to use a new form of concrete—photocatalytic concrete—a mixture that removes carbon monoxide, nitrous oxides, and sulfur dioxide from the atmosphere.
The highly complex transition to a gothic cross from an octagonal shape in the cross section of the Maumee River Crossing, now known as the Veterans' Glass City Skyways, was the largest and most expensive project ever undertaken by the Ohio DOT.
When the Los Angeles Bureau of Street Services needed to pour a 4000-foot bike path connecting an existing path in Burbank, Calif., to the North Hollywood arts district, it abandoned traditional wood forms in favor of reusable metal forms and a truss scre
In September 2003, federal, state, and local officials broke ground for the new U.S. Census Bureau Headquarters in Suitland, Maryland. The new 1.5 million-square-foot complex, a $331 million investment, will feature two eight-story, curvilinear office buildings, connected by a large glass atrium...
The use of brackish water in the original concrete mix has led to extensive and complex concrete repairs to Sweden's combined Svinö and Öland Bridge. Crumbling piers have been covered with reinforced concrete shells and the affected foundations strengthened. Repairs are now focusing on the deck...
Moisture is no stranger to the South. And as in many cities with humid climates, building owners in Baton Rouge, with its large-scale plans to improve the downtown business district, are taking a hard look at the need for quality waterproofing.
-
The Tacoma Narrows Bridge was the third longest suspension span in the world when it opened on July 1, 1940. It quickly earned the nickname “Galloping Gertie” from its tendency to sway and twist in the wind. Many drivers complained of seasickness when crossing the bridge and compared it to riding a...
The 2007 Narrows Bridge, being constructed near Tacoma, Wash., will be supported by hollow reinforced concrete towers rather than steel towers as in the adjacent bridge. However, rebar lap splices are prohibited in numerous portions of the new towers due to seismic considerations. That restriction...
-
Bridge decks need joints. Without them, decks are vulnerable to thermal stresses that will induce cracking and, ultimately, failure. But if the seals fail, the joints give water, deicing chemicals and debris a path to attack the underlying structure.