box girder

noun

1. box beam.

box girder

noun

1. Also calledbox beam
   1. a girder that is hollow and square or rectangular in shape
   2. ( as modifier )

      a box-girder bridge

Word History and Origins

Origin of box girder¹

First recorded in 1860–65

Example Sentences

Rules implemented in the wake of the disaster laid the foundations for a new standard in box girder bridge design and the Cleddau collapse was regarded as the last major bridge disaster in the UK.

From BBC

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.

From Washington Post

When plans for the new Kosciuszko Bridge were being developed in 2010, nearby neighborhoods were asked about four bridge types: cable-stayed; through arch, like the Hell Gate Bridge; deck arch; and box girder.

From New York Times

Their pie-in-the sky plan is reminiscent of a Monty Python skit in which a character says to viewers: “Well, last week we showed you how to become a gynecologist.  And this week on ‘How to Do It’ we’re going to show you how to play the flute, how to split an atom, how to construct a box girder bridge, how to irrigate the Sahara Desert and make vast new areas of land cultivatable.

From Forbes

The 830-foot steel box girder bridge, which cost $38.2 million, opened in 2004 and links Atlanta’s Midtown with a bustling live-in community of shops, trendy restaurants and homes. ???initialComments:true! pubdate:08/15/2011 06:06 EDT! commentPeriod:3! commentEndDate:8/18/11 6:6 EDT! currentDate:8/15/11 6:30 EDT! allowComments:true! displayComments:false!

From Washington Post