After Half A Century, Cincinnati’s Roebling Bridge Welcomes Pedestrians

Midwest
Tuesday, June 11, 2013
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For the first time in half a century, residents of Cincinnati and Covington, Ky. can traverse the Ohio River on foot via Roebling Bridge, thanks to a pedestrian connector reopened June 4. The Roebling Bridge Pedestrian Connector ties Cincinnati’s central riverfront, the site of some major mixed-use development of late, to the city of Covington.

The $430,000 project is part of The Banks’ public infrastructure improvement program. Lane closures will accompany renovations on the north end of the bridge, where a new roundabout and traffic signal will take a few months to complete. Pedestrians, however, can walk on through.

Let’s just hope a certain New York City mayoral candidate doesn’t confuse the Roebling Bridge with its big brother in Brooklyn and snap a photo for his website!

Bridge Over Troubled Freeway: Secretive Bridge In Los Angeles Moving Forward?

Eavesdroplet, West
Thursday, April 11, 2013
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(Courtesy Google Maps)

(Courtesy Google Maps)

Los Angeles’ impressive new bridges have gotten a lot of press lately, including HNTB’s epic 6th Street Viaduct and Andrew Leicester’s unusual so-called basket bridge for the Metro Pasadena Gold Line extension. But one crossing is being worked on in total secrecy: a span over the 101 Freeway at Los Angeles Street, connecting the Civic Center and the Pueblo de Los Angeles.

Artists Jenna Didier and Oliver Hess, who run the city’s Materials and Applications gallery in Silver Lake, are designing the bridge. No renderings have been unveiled, and it’s all very top secret within the city, which is why eavesdrop is on the case. And while Thom Mayne (101 pedestrian bridge) and Asymptote (Steel Cloud) have both failed to make similar ideas happen, this looks like it’s actually moving. Stay tuned.

Waxing Poetic About Chicago’s Wells Street Bridge

Eavesdroplet, Midwest
Tuesday, April 2, 2013
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Construction on Chicago's Wells Street Bridge in March. (Courtesy CTA)

Construction on Chicago’s Wells Street Bridge in March. (Courtesy CTA)

Work took place in March to replace a portion of Chicago’s Wells Street bridge—“the engineering equivalent of a heart transplant,” in the words of the Tribune’s Cynthia Dizikes. Work crews replaced a portion of the 91-year old double-decker bascule bridge during just two nine-day periods (a similar replacement in 1996 took almost a year). Inconvenience or not, seeing a 500,000-pound hunk of metal floating into downtown Chicago atop a barge makes one feel like a witness to latter-day Carl Sandburg paeans: “Here is a tall bold slugger set vivid against the little soft cities.”

Watch a video of the bridge floating down the river.

Slideshow> Squibb Pedestrian Bridge Bounces Into Brooklyn Bridge Park

East
Monday, March 25, 2013
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The Squibb Pedestrian Bridge in Brooklyn Bridge Park. (Branden Klayko / AN)

The Squibb Pedestrian Bridge in Brooklyn Bridge Park. (Branden Klayko / AN)

HNTB’s Squibb Park Pedestrian Bridge connecting the Brooklyn Heights Promenade with Brooklyn Bridge Park opened to the public last Thursday. The $4.9 million bridge was built using “trail bridge technology” with galvanized steel cables and cylindrical black locust timbers, providing an efficient and lightweight structure that, as a sign at the entrance to the bridge warns, quite literally puts a bounce in visitors’ steps. “The bridge is very light weight. You will feel yourself walking across the bridge,” HNTB’s Chief Engineer Ted Zoli said at a construction tour in December. On AN‘s visit to the bridge Friday morning, traversing the spans did in fact provide a bouncy effect.

More photos after the jump.

Architect’s Plan Would Add A Bike and Pedestrian Tube to San Diego’s Coronado Bay Bridge

West
Wednesday, March 6, 2013
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Rendering of the proposed bike and pedestrian tube on the Coronado Bay Bridge. (Courtesy Domus Studio)

Rendering of the proposed bike and pedestrian tube on the Coronado Bay Bridge. (Courtesy Domus Studio)

From the top of San Diego’s soaring 200-foot-tall Coronado Bay Bridge, architect Lew Dominy says you can see Mexico, but outside of special events when the bridge is closed to automobile traffic, pedestrians and bicyclists who might stop to admire the view are prohibited. Dominy, principal at San Diego-based domusstudio architecture, has a plan to build a tube through the distinctive archways of the Coronado’s support piers that would bring multi-modal access to the bridge.

Read More

One Year After Dallas’ First Calatrava Bridge, Another On The Way

National
Friday, March 1, 2013
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Margaret Hunt Hill Bridge. (Halle Darling-Menking)

Margaret Hunt Hill Bridge. (Halle Darling-Menking)

It’s been nearly a year since the Santiago Calatrava-designed Margaret Hunt Hill Bridge opened in Dallas. Part of an overarching plan to redevelop the banks of the Trinity River, the cable-stayed bridge’s 400-foot-tall central arch pylon has given the Big-D a much-needed civic icon in the otherwise flat and uninhabited swath that the watercourse cuts through the urban fabric.

These photos, taken by budding young photographer Halle Darling-Menking, convey something of the motion and excitement motorists experience while traversing the span. The lines of the cables seem to warp and flex, the arch itself to deflect and lean.

Fans of the crossing now have something more to cheer about. In January, the Dallas City Council approved funding for a second Calatrava-designed bridge across the Trinity, this one expected to cost $115 million. The second bridge, to be known as the Margaret McDermott Bridge, will replace the current Interstate 30 span. It features two arches running parallel to the span supporting pedestrian and bike paths. Construction will begin this spring and completion is expected by May 2017.

More photos and a rendering of the new bridge after the jump.

When New York’s East River Froze Over

East
Friday, January 25, 2013
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"Crossing the East River on the Ice Bridge," 1871. (Courtesy New York Public Library)

“Crossing the East River on the Ice Bridge,” 1871. (Courtesy New York Public Library)

It’s been a mild winter so far in New York, and with the first onset of below-freezing temperatures, city folk are donning their heavy jackets and gloves. And while the winds whipping around the glass and steel towers of Manhattan might feel as if it’s as cold as it’s ever going to be, consider a century ago when temperatures were low enough to freeze the East River from the banks of Brooklyn to the Manhattan waterfront, still two different cities at the time, providing thrill-seeking pedestrians with an instant new crossing years before the Brooklyn Bridge was built.

The above view was engraved in 1871 and titled, “Crossing the East River on the Ice Bridge,” depicting dozens of New Yorkers walking across what would normally have been a busy maritime thoroughfare. While such a natural feat seams unlikely today, Gothamist has collected clippings to show that the phenomenon was known to occur around once a decade on the East River during the 19th century and there have been reports of similar frozen-river bridges along the Mississippi and Ohio Rivers as well. For instance, in 1851, an estimated 15,000 pedestrians, horses, and sleighs crossed the frozen river.

Cable-Stayed Replacement For Desmond Bridge Unveiled In Long Beach

West
Thursday, January 24, 2013
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Existing Desmond Bridge (Port of Long Beach)

Existing Desmond Bridge. (Port of Long Beach)

If you have ever seen the film To Live and Die in L.A. then you know the Gerald Desmond Bridge. It has a starring role in the opening sequence, when Treasury agent Richard Chance (played by William Peterson) bungee jumps off of it. You probably haven’t bungeed off it yourself, but If you’ve ever driven across it, you might get why it needs replacing. The original bridge, according to the project website, “is nearing the end of its intended lifespan.” In fact, the old bridge, while considered safe, is a little scary. Netting has been suspended beneath it to catch pieces of falling concrete. Additionally, its approaches are too steep, it’s too narrow, and perhaps most importantly, the newest container ships can’t fit under it.

Continue reading after the jump.

New York City Breaks Ground on High Bridge Restoration

East
Friday, January 11, 2013
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(Courtesy New Yorkers for Parks)

(Courtesy New Yorkers for Parks)

Officials broke ground today on the long anticipated restoration of New York’s High Bridge connecting the Bronx with Manhattan. Built in 1848 and today the city’s oldest bridge, the 1,200-foot-long span had long been a popular strolling bridge, even making an appearance in Edith Wharton’s 1913 novel Custom of the Country. The landmarked bridge was closed to the public in the 1970s, but after construction wraps up on the $61 million rehabilitation, strolling New Yorkers and bicyclists can once again cross high above the Harlem River—116 feet—and connect with the city’s growing waterfront Greenway. (See also: Photos of High Bridge before renovation.)

Improvements include pedestrian safety measures like accessibility ramps, viewing platforms, and new lighting. An eight-foot-tall cable mesh fence to prevent jumpers and throwing trash will also line each side, a point that drew criticism from some in the community who believe it’s unnecessary and will spoil views. In a statement released at the groundbreaking ceremony, Mayor Michael Bloomberg called High Bridge “one of our city’s great treasures.” He continued, “It will bring people here from all over the five boroughs, and even all over the world, to see some of the most spectacular views in the city.”

When Artists Design Infrastructure: Basket-like Bridge Energizes San Gabriel Valley

West
Tuesday, December 18, 2012
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The Gold Line Bridge over the EB 210 Freeway in Arcadia. (Courtesy METRO Los Angeles)

The Gold Line Bridge over the EB 210 Freeway in Arcadia. (Courtesy METRO Los Angeles)

The expansion of LA’s Metro Rail Gold Line is well underway with a stunning new piece of infrastructure: The Gold Line Bridge. Completed last week, the 584-foot dual-track bridge, stretching over the eastbound lanes of the I-210 Freeway, will provide a light rail connection between the existing Sierra Madre Villa Station in Pasadena and Azusa’s future Arcadia Station. The rail line itself is scheduled for completion in 2014.

Made from steel reinforced concrete with added quartz, mica crystals, and mirrored glass, the monochromatic, abstract design, conceived by artist Andrew Leicester, pays homage to the region’s historic American Indian basket-weaving tradition and includes a carriageway and a post-and-lintel support beam system. The 25-foot baskets adorning each of the posts, “metaphorically represent the Native Americans of the region…and pay tribute to the iconic sculptural traditions of Route 66,” wrote Leicester.

Continue reading after the jump.

Construction Progresses on Brooklyn’s Squibb Park Pedestrian Bridge

East
Wednesday, December 5, 2012
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Rendering of the Squibb Park Pedestrian Bridge. (Courtesy HNTB)

Rendering of the Squibb Park Pedestrian Bridge. (Courtesy HNTB)

Before the end of this year, the Squibb Park Pedestrian Bridge will be completed connecting Brooklyn Heights with the Brooklyn Bridge Park on the waterfront. This windy path over the BQE and through the treetops will quite literally bridge the divide and substantial grade shift between the neighborhood and the park. Construction of this $4.9 million pedestrian bridge, made of black locust timber and galvanized steel, is already underway, and on December 14th and 15th, the spans will be hoisted into place over Furman Street.

Read More

Separated At Birth? Meet the Sixth Street Viaduct’s Mission Impossible Cousin

Newsletter, West
Tuesday, October 23, 2012
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Dubai's Meydan Bridge, left, and LA's Sixth Street Viaduct, right.

Dubai’s Meydan Bridge, left, and LA’s Sixth Street Viaduct, right. (Elia Locardi and HNTB)

We could’t help noticing that LA’s new Sixth Street Viaduct, which is being designed by a team led by HNTB, bears a striking resemblance to Dubai’s Meydan Bridge, the royal VIP entrance to the Meydan racetrack where the prestigious Dubai World Cup is held annually. The bridge was featured in the recent film, Mission Impossible: Ghost Protocol, but sits empty for most of the year. Of course there are differences between the two: Meydan’s arches are made of steel, not concrete, it’s not cable-stayed, and its upper arches don’t touch the ground, but they’re still very close in all their wavy glory.

Judge for yourself in the videos after the jump.

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