Man i been at it OK here what I did I got the floor slap made from Hydrocal .Scratch build the two wood door made the brick wall from Hydrocal and started the roof.
I remember him from year ago he a Builder Service not kit or plan and it would cost 20x more to buy .when you can make and build any bridge from Ralph sexton for only $5.00 in wood and around $15.00 in evergreen styrene strip
AHM #5918 is bridge you want i made some BASCULE DRAWBRIDGE from Ralph sexton plan you can find on eBay id ralphsaxton http://www.ebay.com/itm/N-scale-Bridge-plans-BASCULE-DRAWBRIDGE-PLANS-ONLY-/180995964393 here mine i build