Sunday, April 5, 2026

1907 Blair Gap Dam on Blair Gap Run and Skewed Arch Bridge over Portage Railroad near Cresson, PA

Dam: (Satellite)
Bridge: (Satellite)

Blair Gap Dam


This dam was built in 1907 to provide a water supply, and it is 47' (14.3m) high. [blair-county]

Street View, Nov 2015

Facebook Reel
It is 316' (96.3m) long. Linda called the cylinder to the left of the spillway the valve house.

Skewed Arch Bridge


Street View, Aug 2019

Joanne Harrity, Apr 2021

Troy, May 2018

I was going to skip yet another stone arch until I noticed that the stones change direction about halfway up the arch.
Ken Locher, May 2022

Facebook Reel

Information that used to be here about the Allegheny Portage Railroad has been moved to "Allegheny Portage Railroad Engine House #6 for an Incline."

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