CADD Engineering Standards - Ohio Department of Transportation

January 18, 2013
Figure 302-9
Structures Sub-Directories
Notes:
AAA000_1111S
Parent folder for bridge data, where:
AAA = 3 character county code
000 = 3 digit Route number
1111 = 4 digit SLM of the structure without the
decimal point.
S = 1 digit code (For twin structures: L for Left, R
for Right. C for collector/distributor roads or twin
structures combined in the same directory, P for
Ramps.)
wall_111
Parent folder for wall data, where:
111 = 3 alphanumeric character wall number
basemaps All bridge related basemap design files.
docs Documents, letters, memos, etc…
Data files for bridge design applications. Users
engapps
may elect to replace the engapps directory with
separate directories for each bridge design
software package.
images Scanned images.
photos Digital photos.
sheets All bridge related plan sheet design files.
spreadsheets Spreadsheets.
ODOT CADD Engineering Standards 61