We don't quote a number sight unseen, because spring cost depends on door weight, whether it's a single or double torsion setup, and whether the drums or cables need replacing alongside the spring - which they often do on a door this old, since all three parts wear together. What we can tell you is what drives the number up or down: a 16-foot double door costs more in spring than an 8-foot single, and if the cables are frayed or the drums are cracked, replacing those now costs less than a second service call in six months.
Cross Plains sits far enough out - about 16 miles from our Gallatin shop - that we build the drive into how we schedule the day, not into a separate trip charge tacked onto your invoice. We'll give you a firm number once we've looked at the door in person, not a range that changes when the truck shows up.