I wish you had a picture of this previously covered RR bridge. I have been searching for an old photo before the fire in 1901. I have an article about the fire and reconstruction (there are pictures)which produced a working bridge in 5 hours less than 1 week according to my grandfather's diary. He was the Chief Train Dispatcher for the B&M at the time stationed in Woodsville, NH. The pictures of the current bridge are beautiful and show its construction very well. Also, I don't see offhand the length of the bridge.
Correction to previous message. The bridge burned in 1902