...
The
...
...
...
creates
...
an
...
object-based
...
model
...
through
...
assembly
...
of
...
bridge
...
components
...
.
...
Structural
...
components
...
are
...
based
...
on
...
parametric
...
definitions
...
involving
...
deck
...
type
...
and
...
various
...
bridge
...
properties.
...
For
...
example,
...
...
elements
...
represent
...
bearings,
...
...
...
represent
...
girder-deck
...
connections,
...
etc.
...
Additional
...
element
...
descriptions
...
are
...
as
...
follows:
...