Rader Sidetrack Wrote:
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> The original bridge was erected when steam
> locomotives were the prevailing form of power.
> Blasting the underside of a "complete" covered
> bridge roof with steam locomotive exhaust could
> lead to a serious fire problem.
So one would think, but steam locomotive exhaust doesn't appear to have been a problem with the covered bridge at Phillips on the SR&RL (pictured below), or for the several covered bridges on the St. Johnsbury & Lamoille County RR in Vermont, to name two New England examples that come to mind.
-Philip Marshall