The bridge/culvert data section begins with a record containing the only the keyword "BEGIN BRIDGE/CULVERTS:" and ends with a record containing the only the keyword "END BRIDGE/CULVERTS:". A bridge is represented by multi-record object beginning with a record containing only the keyword "BRIDGE/CULVERT:" and ending with a record containing only the keyword "END:."
Bridges/Culverts have the same required records as the Cross Sections object, but have other optional records. A summary of Bridge/Culvert records is provided in Table B-5. Table B-5. Bridge/Culvert options in the spatial data format file.
Keyword
Value Type
Value
BRIDGE/CULVERT:
None
Marks beginning of Bridge/Culvert object.
END:
None
Marks end of a Bridge/Culvert object.
The following records are required for a Briodge/Culvert object.
STREAM ID:
String
Identifier for the River on which the bridge/culvert resides.
REACH ID:
String
Identifier for the Reach on which the bridge/culvert resides.
STATION:
Float
Relative position of the bridge on the river reach.
CUT LINE:
Location array
Array elements contain planar coordinates of bridge location.
SURFACE LINE:
Location array
Array elements contain 3D coordinates of bridge deck.
The following records are optional (but recommend) for a Bridge/Culvert object.