The phrase "aerial structure" is correct and usable in written English.
It can be used to refer to any structure that is elevated or situated in the air, such as a tower, bridge, or other constructions that are above ground level.
Example: "The city skyline was dominated by an impressive aerial structure that served as a communication tower."
Alternatives: "elevated structure" or "skyward structure".
But a true tunnel is too expensive, and even a "trench" design is more expensive than an aerial structure.
Having climbed the Brooklyn Bridge more than once, and knowing the structure well, I think the idea of opening of its aerial structure to everyone for a safe visit is a magnificent one.
Among the lapses found: an aerial structure examined in 2008 and 2009 and given a numerical rating of "4" — which meant that, on a scale from 1 to 9, the structure was in an advanced state of deterioration – was given a rating of "5" in 2011, by an inspector who also used a picture from 2008 to document its condition.
Eastbound Silver Line trains were supposed to unload their last passengers at Stadium-Armory, then move to a pocket track a mile and a quarter away on an aerial structure above the east side of the Anacostia River, and reverse direction.
The shoot apex is the source of all the aerial structure of the plant.
Plants use xylem vessels to transport water and solutes from the root of the plant to the aerial structure of the plant.
The space could also be set aside for buses or aerial structures.
A little more than nine miles of track are on aerial structures, according to Metro.
Adapting to each community, it runs under streets in subway, on surface tracks, or on attractive aerial structures". It also calls for arced ceilings, floating mezzanines and much of the monumental architecture seen in stations today.
In 2013, an inspector examined a box girder – which is a steel beam with a hollow rectangular cross section used in bridges and other aerial structures – and rated its condition a "3," the same rating it had received two years previously.
In fact, filamentous fungi include many paraffin-degrading species and develop aerial structures which give a large superficial area and allow for a direct pollutant mass transfer from the gas phase to the biological one without the presence of a liquid phase which is a limiting factor for hydrophobic compounds.
