elecuyer Wrote:
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> Charlie and Rader are both correct.
>
> Part of the reason why this bridge was saved by
> (and rebuilt through the efforts of) the National
> Society for the Preservation of Covered Bridges is
> that it is such a rare example of what was once a
> very common design. In fact, it was the preferred
> bridge design of the Boston and Maine (mostly NNG)
> railroad - with dozens of this design either on
> the railroad, or road bridges that spanned the
> railroad. While the historic WW&F did not employ
> this particular design, two different road bridges
> did; they spanned the Sheepscot river in Alna very
> near the Head Tide Station.
>
> Today only six of the "boxed pony" design exist in
> all of North America. We're happy that we were
> selected to be the caretakers of such a unique
> structure.
View of the Trout Brook Bridge truss chords before they were boxed in.
The trusses are similar to the type used on some D&RG bridges.