Bridge Design

Lewis and Clark Bridge in Williston, North Dakota

Image source: N.D. Department of Transportation project site

News September 01, 2017
The Lewis and Clark Bridge on U.S. Hwy. 85, south of Williston, N.D., greeted the month of September by opening to traffic.   “[The] opening of the Lewis and Clark Bridge marks a major milestone in the history of North Dakota's transportation system,” Lt. Gov. Brent Sanford said. “This bridge is a...
Gordie Howe International Bridge

Image source: Dan Janisse/Windsor Star

News August 23, 2017
Construction of the long-awaited new Windsor-Detroit border crossing bridge has been set back by a year because of the complex bidding process, meaning it likely will not be completed until 2023.   The three consortiums vying to build the Gordie Howe International Bridge were informed within the...
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.
Northbound on Lake Pontchartrain Causeway
News June 08, 2017
The Greater New Orleans Expressway Commission—commonly called the Causeway Commission—on Wednesday kicked off a design competition for improvements to the nearly six-decade-old Causeway Bridge over Lake Pontchartrain.   The Commission is giving four firms 90 days to draw up preliminary designs for...

Image source: YouTube/Harbor Bridge Project

News April 04, 2017
Crews broke ground last week on the $809.2 million Harbor Bridge replacement project, a structure that, by 2020, will be the new link from downtown Corpus Christi to North Beach and attractions like the U.S.S. Lexington and the Texas State Aquarium.   The U.S. Highway 181 bridge project was...

Image source: Miami Today

News December 21, 2016
The Florida Department of Transportation (FDOT) is closer than ever to final plans to improve I-395 and build a new signature bridge spanning Biscayne Boulevard in downtown Miami.   If the current timetable unfolds without unexpected detours, work on the massive project should begin within 12...
Article November 04, 2016
Bridge approaches are normally constructed with reinforced concrete slabs that connect the bridge deck to the adjacent paved roadway.   The approach slab is usually supported on one side by the bridge abutment and on the other side by the embankment. Their function is to provide a smooth and safe...

Exterior image of completed pedestrian bridge. Photo courtesy of Harrison Photographic.

Article September 06, 2016
The new 390-ft-long international border crossing between San Diego, Calif., and Tijuana, Mexico, may appear to be a simple through-truss structure, but like many signature structures of its kind, the clean lines and aesthetic appeal surround a much more complex engineering undertaking.   The Cross...
News July 14, 2016
Gov. Nathan Deal (R-Ga.) today announced a partnership with South Carolina for an estimated $75 million project to replace existing Interstate 20 bridges over the Savannah River and the Augusta Canal, and add lanes on I-20 to Exit 1 in South Carolina. The project will enhance safety and operations...
News May 17, 2016
Mehdi "Saiid" Saiidi, Foundation Professor of civil and environmental engineering in the University of Nevada, Reno's College of Engineering, is leading something of a revolution in the field of earthquake engineering for bridges.   For years, bridges in seismically active zones have been designed...
News October 19, 2015
Following approval from the Montgomery County, Pa., board of commissioners, bridges in Hanover, West Pottsgrove, Towamencin, Douglass, Lower Salford and Lower Merion townships will be replaced.   An investment of approximately $931,500 is being made, in effort to shore up a glaring need in the...
News October 01, 2015
In a statement issued by T.Y. Lin International (TYLI), it was announced that the San Francisco-Oakland Bay Bridge New East Span (East Span) has received the International Association for Bridge and Structural Engineering (IABSE) Outstanding Structure Award 2015.   This prestigious, annual award is...
News August 13, 2015
The county seat of Williamson County now has boasting rights to an Illinois first: a  diverging diamond interchange. Planning for the project, which opened yesterday to traffic, dates back to 2003.   Moreover, the recently renamed The Hill Avenue, formerly Morgan Avenue, was widened to satisfy...

VDOT builds the compact panel bridge on Route 721 in Fredericksburg, Va.

Case Studies June 25, 2015
Like many of the aging bridges in the nation, a 63-year-old bridge in Fredericksburg, Va., was deemed ready for retirement. After inspection, the Virginia Department of Transportation (VDOT) determined that the two-lane, steel and beam bridge was no longer safe for motorists and needed to be...
News June 22, 2015
The Ohio Department of Transportation (ODOT) will tear down the I-75 bridges over U.S. 6 and install new ones later in the year. The project aims to complete the work over the course of two weekends with minimal traffic disruption.    The new bridges will already have been built and crews will move...

The 3,300-ft-long Tanana River Bridge provides the U.S. military with a vital connection to 1 million acres of training ranges—the largest in the U.S. It is Alaska’s longest bridge.

Article February 06, 2015
The word Tanana means “trail river.” The new Tanana River Bridge in Salcha, Alaska, a small community located south of Eielson Air Force Base, provides a trail across the river—a vital connection to 1 million acres of U.S. military training facilities in Alaska. Construction of the bridge marks the...
Article November 11, 2014
Paducah, Ky., has become home to a $95 million visually transparent, parallel-chord truss bridge over the Tennessee River.   The Kentucky Transportation Cabinet (KYTC) recently replaced an aging, structurally deficient span of U.S. 60 in western Kentucky with a three-span, continuous Warren-style...
Article May 08, 2014
Smithville, Tenn.’s Hurricane Bridge carries S.R. 56 over Center Hill Lake, a route that serves as a major connector for all of mid-Tennessee. Originally built during the World War II era, this four-span cantilever deck truss bridge has served the area for more than 70 years. Like many bridges of...
News May 13, 2013
Imagine holding four U.S. patents for a landmark and unique bridge technology, more than a dozen foreign or pending patents and winning every major design and construction award available in the nation. Now imagine these achievements being accomplished by one individual: civil engineer John Hillman...
News May 10, 2013
A new report from the Oregon Transportation Research and Education Consortium (OTREC) recently evaluated the safety of fracture-critical bridge connections. The research project took a look at gusset plate connections, the riveted plates of sheet metal that hold steel truss bridges together.  ...
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