Glossary & Related Links
Abutment: Part of a structure which supports the end of a span or accepts the thrust of an arch; often supports and retains the approach embankment.
Deck: The portion of the bridge that directly carries traffic.
Substructure: The portion of the bridge that supports the superstructure and distributes all bridge loads to below-ground bridge footings.
Superstructure: The portion of the bridge that supports the deck and connects one substructure element to another.