The plan for the Oregon Pass Lines calls for 3 bridges, all in sequence, to cross a gorge which has both sides of the mainline going underneath them. The two Warrens sandwich a deck truss bridge to cover a gap of 27 inches. All 3 are supported by 4 Atlas bridge piers. Don’t know if you’ve ever viewed the plan as published, but it’s Layout HO-36 in the Atlas King Size book. The book is available online for about $17 US. I’ll post some photos today. Got a lot done yesterday including insulating some drafty top reaches of the train room with some expanding spray foam whilst on a ladder!

Also put in some shop lights. My old bones are achy today, but I got it done. Even managed to lay some more of the mainline. Might finish the mainline today.

Mike