Two city bridge superstructures demolished, moved and replaced in 16 hours? Impossible? No…it can happen and Utah’s Department of Transportation just proved it…This impossible-sounding accomplishment is a result of a program called Accelerated Bridge Construction (ABC). It allows completion of bridge projects in record time. But, these kinds of success stories are not just happening in Utah.
View this complete post...Archive for the ‘Bridges’ Category
Bridge construction projects – happening at ‘almost’ the speed of light!
Tuesday, August 22nd, 2017IBTTA Announces 2017 International Toll Excellence Award Winners
Thursday, July 27th, 2017
The 2017 International Bridge, Tunnel and Turnpike Association’s (IBTTA) Toll Excellence Award Winners are revolutionizing mobility for drivers around the globe by implementing cutting-edge solutions to 21st century transportation challenges…The annual awards presented by IBTTA, recognize innovative strategies to help ease traffic flow, relieve congestion and increase safety for the global driving public. The awards are presented in the following categories: Administration and Finance; Customer Service and Marketing; Social Responsibility; Technology; Toll Operations, Engineering and Maintenance; and Private Sector Innovation.
View this complete post...ACEC Engineering Excellence 2017: Franklin Avenue Bridge Rehabilitation in Minneapolis, MN
Monday, July 24th, 2017
Major restoration of this historic five-span arch bridge over the Mississippi River would normally require a two-year closure, yet the span was reopened to traffic after just 116 days. With the renowned 1923-era Minneapolis landmark needing extensive structural rehabilitation, the project team designed and fabricated numerous bridge elements and systems, including deck panels, rail panels, cap beams, and ornamental railing panels, prior to closing the bridge to traffic. The design also included polished stainless steel plates embedded in the underside of the precast deck panels to reduce the number of needed expansion joints. The project is a model for reconstructing a bridge within a short time frame.
View this complete post...ACEC Engineering Excellence 2017: 130th & Torrence Grade Separation in Chicago, IL
Tuesday, July 11th, 2017
One of Chicago’s most noted traffic bottlenecks has been transformed into a smooth-flowing multi-tiered interchange that is also helping spur development of the nearby Chicago Manufacturing Campus. Each day, more than 38,000 vehicles, 50 freight trains and 41 passenger trains used the intersection, creating a crowded logjam. Further complicating the project was its close proximity to an automotive assembly plant, a railroad mixing yard, a residential area, and protected marsh area. The project realigned roadways and added six new bridges, including a 4.75-million-pound steel railroad truss bridge assembled in a nearby staging area then transported in just four hours to its permanent location.
View this complete post...Tallulah Falls, GA: Abandoned Piers of the Tallulah Falls Bridge
Friday, June 23rd, 2017
The Tallulah Falls Railway crossed Tallulah Falls Lake on a 585-foot bridge built in 1913 as the lake was filling. The deck-style plate girder bridge replaced an earlier wooden truss structure. When the railroad was abandoned in the early 1960s, the steel spans were removed and recycled. The concrete piers were left standing because they had no salvage value and demolition would have been costly.
View this complete post...EARTHCAM Timelapse of Bayonne Bridge – Staten Island to New Jersey
Wednesday, June 21st, 2017
Progress on the Port Authority’s Bayonne Bridge “Raise the Roadway” project as of May 2017. Watch the iconic bridge gain a new roadway deck, 215 feet above mean high water – and watch as workers begin to remove the lower deck. The original roadway’s removal will allow navigational clearance for the new generation of larger, more efficient and environmentally beneficial container vessels.
View this complete post...ACEC Engineering Excellence 2017: Sellwood Bridge Replacement in Portland, OR
Tuesday, June 20th, 2017
A picturesque, three-arch bridge replaces a deteriorating 1925-era structure that was threatened by an encroaching hillside. The project team incorporated advanced seismic resilient bridge components and innovative landslide mitigation systems to stabilize the hillside. They also trimmed a year off the construction schedule by shifting the original steel deck truss to one side using hydraulic jacks, allowing the bridge to remain in service during construction.
View this complete post...ACEC Engineering Excellence 2017: Lake Delhi Dam in Delhi, IA
Monday, June 5th, 2017
Stanley Consultants of Muscatine, IA has earned an Honor Award for exemplary engineering achievement in the American Council of Engineering Companies’ (ACEC) 50th annual Engineering Excellence Awards (EEA) for the Lake Delhi Dam in Delhi, IA. Six years after a devastating rain breached the original earthen Lake Delhi Dam, turning a popular nearby recreational attraction into […]
View this complete post...Ironton, OH: Demolition of Old Ironton-Russell Bridge
Friday, May 26th, 2017
After serving for nearly 100 years, the old Ironton-Russell Bridge was finally demolished this May. Much of the bridge had already been removed, and the final segment was dropped into the water by controlled detonation.
View this complete post...Infographic: The Dangerous State of American Bridges
Friday, May 12th, 2017
With data from the American Road & Transportation Builders Association (ARTBA), we examined where the busiest structurally deficient bridges are located, how many people cross them each year, when they were originally built, and which states are attempting to make repairs. Is your state home to one of these bridges? Read on to find out.
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