I'm trying to create an IF statement to omit certain data

So i'm creating a dashboard and a requirement for that dashboard is to show what reports are due within 7 days. I have around 300 entries (they span 12 months and get filled in as they go) and can only get it to work by having a table that is 300 boxes wide, with tons of white space or '#VALUE' notifications. I saw a post somewhat like my problem but wasn't nearly as complex. SOME BACKGROUND INFO - Once you put a date into the 'Inspection End Date' cell, a new date (which is 21 days later) pops up into the adjacent cell, and that is the date that the report is due. What I need, is a formula that will scan those columns, from row 8 to row 319, and if the report due date is within 7 days of today's current date (which i just use (TODAY()+7)), then the Bridge ID, Cells C8-C319, are put into a nice little table on a different sheet (the sheet is called Dashboard). An extra would be that if the due date has passed without a date being entered into the 'Report Submitted' column (basically just being late), then having that bridge ID coming up into another table (on that Dashboard sheet) for late reports.
Thank you so much!!