Explore a term from the Bridge Diaries show in the glossary!

part of bridge substructure at either end of bridge which transfers loads from superstructure to foundation and provides lateral support for the approach roadway embankment* 

a curved structure element primarily in compression that transfers vertical loads through inclined reactions to its end supports*

one who rides a bicycle for transportation

a type of stress involving pressing together; tends to shorten a member; opposite of tension* 

that portion of a bridge which provides direct support for vehicular and pedestrian traffic, supported by a superstructure* 

a force carried by a structure component*

bending moment in a member such that tension stresses are produced in the top portions of the member; typically occurs in continuous beams and spans over the intermediate supports*

a person who moves from place to place via their feet, wheel chair, or mobility-assisted device

a substructure unit that supports the spans of a multi-span superstructure at an intermediate location between its abutments* 

the force acting across a unit area in a solid material*

the abutments and piers built to support the span of a bridge superstructure* 

the entire portion of a bridge structure that primarily receives and supports traffic loads and in turn transfers these loads to the bridge substructure* 

of the nature of a vehicle

*Reference:

 

U.S. Department of Transportation

Federal Highway Administration

FHWA NHI 12-049

Bridge Inspector’s Reference Manual (BIRM)

October 2002/November 2006/February 2012/July 2012/December 2012

Author(s) Thomas W. Ryan, P.E, J. Eric Mann, P.E., Zachary M. Chill, E.I.T., Bryan T. Ott