Spring 2021 Issue - 36

ul10
5. Passerelle Pont Adolphe

BOSTON, MASSACHUSETTS

LUXEMBOURG CITY, LUXEMBOURG

Northeastern University is building new facilities on the far side of
five Amtrak/Massachusetts Bay Transportation Authority (MBTA)
Commuter Rail lines from its main campus. The first phase of the
expansion, the Interdisciplinary Science and Engineering Complex
(ISEC), opened in 2017 on a former parking lot. To link the new
academic precinct with the rest of campus, local design firm Payette
and the local office of engineering firm Arup created a bridge that
arcs over the rail lines, with steel plates canting outward on both
sides to lend a feeling of openness.
The use of weathering steel plates means the bridge will develop
a protective patina of rust, eliminating the need for repainting, which
would require periodically shutting down the tracks. Narrow glass
panels between plates provide views of the city's skyline and the
ISEC, which was also designed by Payette. At the south end, the
bridge flares out into a curved observation platform along the rail
lines. At the north end, next to the university's Snell Library, the
bridge becomes a large staircase. Known colloquially as PedX,
the bridge opened in 2019.

Completed in 1903, the city of Luxembourg's double-decked
Pont Adolphe has become a tourist destination, even as it
continues to serve the practical function of granting vehicles
passage across the Pétrusse river. When recent renovations
were necessary, the city decided to widen the bridge by five
feet (1.5 m) to accommodate a tram line. However, this did
not leave room for bicycles. In order to minimize visual impact
and offer views of the city and the valley, the city asked local
firm CBA Architects to design a path for pedestrians and
cyclists between the two sets of arches beneath the bridge.
Hung from the reinforced concrete underside of the historic
bridge by narrow anchors and cables, a slim steel deck supports a two-way bicycle path and two pedestrian walkways. A
metal mesh guardrail keeps a low visual profile. Pedestrians
reach the bridge via a staircase, and bicyclists gain access
through tunnels equipped with elliptical openings in the ceiling that let in natural light and air. The bridge was completed
in 2018.

©SOLUDEC

WARREN JAGGER PHOTOGRAPHY

4. Northeastern University Pedestrian Crossing

6. Pedestrian Bridge over Shanghai Taitong Ferry Station

SHAN LIANG

SHANGHAI, CHINA

36

UL10_SP21.indd 36

U R B A N LA N D

On the east bank of the Huangpu River across from Shanghai's historic urban core,
former agricultural land has rapidly been developed into the Pudong New Area, housing
supertall skyscrapers and the major financial hub of Lujiazui. To improve connectivity,
the district government decided to build 12 pedestrian bridges along the East Bund district. One of them crosses over Taitong Ferry Station, which previously had been a barrier to pedestrians and cyclists traveling along the waterfront. The elevated bridge links
the International Metropolis Plaza office building to the east with Lujiazui's central park
to the west and allows north-south passage to landscaped paths along the water.
Local firm Scenic Architecture Office and local structural engineer Zhang Zhun/AND
Office configured the bridge with two lanes, one for walkers and joggers and the other
for cyclists. Winding around trees and buildings, the lanes separate and converge,
depending on the slope of the land, to meet the different needs of pedestrians and
bicyclists. A courtyard beneath the bridge offers tree-sheltered respite. The bridge was
completed in 2017.

SPRING 2021

3/29/21 10:44 AM



Spring 2021 Issue

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