Overpass


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overpass

[′ō·vər‚pas]
(civil engineering)
A grade separation in which traffic at the higher level is raised, and traffic at the lower level moves at approximately its original level.
The upper level at such a grade separation.

Overpass

 

a bridge built at the intersection of two or more main transportation arteries that allows for the free flow of traffic on different levels. Overpasses are commonly constructed where highways and railroads intersect or over city streets that have both heavy vehicular and passenger traffic.

An overpass can be either rectilinear or curvilinear, dependent on the type of intersection or the configuration of the intersecting city streets. Sometimes overpasses are arranged in several tiers and their spans are located one above the other. Most overpasses are either beam or frame structures because it is necessary to keep the spans low and because of the limited space that is available for piers; arch structures are comparatively rare. Currently, most overpasses are built from precast reinforced concrete. They usually consist of two to four spans, each 10–30 m long. Overpasses with more than four or five spans are called viaducts.

References in periodicals archive ?
Crews have one more span to deal with, an overpass near Albany, to complete the work.
Indeed these lifts included in the overpass projects that are not put to use are 'white elephants' within a useful infrastructure.
Airport-bound traffic from Thika Superhighway through Outering Road will take the service all the way to Garden City overpass then turn right and drive back to access Outering Road.
* Torres Bugallon Overpass (Valenzuela) northbound, leftmost lane
While there, he reportedly told the doctor that he would have jumped off the overpass if the officers hadn't intervened, police said.
The post Powerful windstorm in China blows away woman on overpass [V] appeared first on Cyprus Mail .
(https://www.newsday.com/long-island/nassau/southern-state-bus-crash-overpass-1.17928656) Newsday reported in December 2017 that an electronic system was going to be laid in place to warn truck and bus drivers if their vehicles were too high to fit under a parkway overpass. The police will be alerted if any of vehicles illegally trip the system.
Art, architecture and advisory firm Svigals + Partners has partnered with civil engineering firm Fuss & O'Neill on an imaginative design scheme for the Route 72 overpass.
K Panduranga Rao, an official with IVRCL, the company building the overpass, called the collapse"nothing but a God's act." But there are deep suspicions that, as is so often the case in India, politics and greed were involved.
INDIAN police have detained five officials of a company which was constructing an overpass that collapsed in Kolkata, killing at least 24 people and injuring more than 80.
Overpass collapse kills 21, leaves others trapped in India [euro]*aa[euro]aaae[euro] 1437/6/22 acaC [euro]*aaaaae[euro]*auae 2016/03/31 aa ae[euro]*[euro] [euro][logical not][euro][bar]aeae[euro] [euro]*aa[euro][euro][cedilla][euro][euro][cedilla] [euro]*aaaa[euro][euro] [euro]*aa[euro] [euro][euro] ae[euro][logical not][euro]*acaeaa[euro]*[euro]*aaaaaeauae [euro]*aa[euro] [euro][euro] ae[euro]*aa[euro]uaaae[euro]ae[euro]1/2[euro]*[euro] [euro][logical not][euro][sup.3]ac[euro][euro][euro]*[euro][macron]aa[euro][cedilla]aeau
Later, Tierra was found face-down in a frigid stream beneath a park overpass, strapped into a car seat which had been weighed down with a car jack.