The substructures at the ends of a bridge, supporting its superstructure. They may be composed of wing walls (on each side), head wall, stem wall, and cone.
DECK
A bridge deck is comprised of those elements used for conveying traffic but does not perform structural functions of the superstructure.
DECK_SEGMENT
A segment of the bridge deck. Segments may be separated by construction or expansion joints.
FOUNDATION
The structural elements that support and anchor the bridge to the ground, transmitting all loads to the supporting strata.
PIER
A bridge pier is a type of structure that extends to the ground below or into the water. It is used to support bridge superstructure and transfer the loads to the foundation.
PIER_SEGMENT
A segment of the bridge pier. Segments may be separated by construction or expansion joints.
PYLON
A vertical structure supporting cables in suspended or stayed structures.
SUBSTRUCTURE
The elements that transfer loads to the ground. It includes abutments and piers.
SUPERSTRUCTURE
The part of the bridge that span horizontally and transfers the traffic load to the bridge substructures.