Wallap and/or LPile have always come in handy for foundation design.
Just out of curiosity, how does SPACEGASS compare to Strand7? I've used Strand7 quite a bit, but never SPACEGASS.
"the model will just sit in the corner and have a nervous break-down."
Haha, I laughed at that one too. I think anyone that's spent a decent amount of time making FEA models has seen his model sit in the corner on a few occasions. I've even had models that refused to ever come back out of the...
I've seen some decks cast monolithically with abutments, providing a moment connection at the abutment.
You'll want to apply your seismic force to the whole superstructure. Codes in NZ define the seismic weight as the superstructure plus half of the exposed substructure. Rather than...