You're probably right: http://www.wfmj.com/story/15644204/theives-make-off-with-...

You're probably right: http://www.wfmj.com/story/15644204/theives-make-off-with-ent... seems to be the real source of the $100,000 number, an engineer estimating the likely replacement cost, not the value of the scrap.

> Two brothers have been charged with stealing a 'haunted' western Pennsylvania bridge and selling the 15.5 tons of scrap metal for £3,160.

(I assume being in Pennsylvania they actually got dollars for it)