Faceman

The other day I hit a large snow drift and a bunch of snow was packed in the bottom of the engine compartment. Today I let it sit in a heated shop to melt the snow with the gas tank half full. I now have codes P0174, P0300, P0306 and P0308 showing. Driving home it had a shudder/vibration that would come and go and some small power loss so I topped up the tank and added a bottle of gasline antifreeze. After searching some threads I figure I either popped a vacuum line off or broke an O2 sensor wire. The question I really have is whether it's safe to drive the 40 miles back to work to use the heated shop or if I will do more damage driving it. Thanks for any advice and sorry for the long post.