Deck around box bay - ledger board length
I am looking to build a deck attached to my house and have a question regarding the ledger board. I have built a deck before but it was freestanding. There is a deck in place that is 9' wide, which is the span of my kitchen box bay. The bay is built into the foundation and the current ledger is attached to it.
I want to extend the width of the deck and have limitations on each side (basement stairwell on one side, vent on the other. While I know I can relocate the vent, I'd prefer not to.
I have 5' on the stairwell side, and just about 3' on the side before it hits the vent. My question, is, can I install a ledger board that is only 3' long? I want the total width to be 16'.
Let me know if that makes sense or if you need more info. Basically, it would be 3 ledger boards....one just short of 5', one 9', and one just short of 3'.