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.
Accelerated Bridge Construction (ABC): a means of rapidly constructing a bridge by building major bridge components off site and installing them quickly using heavy lifting equipment such as cranes. ABC techniques reduce construction time and minimize other construction-related impacts by completing as much work off site as possible.
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.