Copy and paste the template below:
{{Crossings navbox
|structure=
|place=
|bridge=
|bridge signs=
|upstream=
|upstream signs=
|downstream=
|downstream signs=
|note=
}}
For non-river crossings, the following parameters can be used to change the default text "upstream" and "downstream" to any desired value (for example: east and west or north and south)
Upriver example:
Downriver example: