Keystone Viaduct — Attraction in Summit Township

At Mile 30 on the Great Allegheny Passage is the Keystone Viaduct. It was built in 1911-1912 for the Western Maryland Railway. The railroad was abandoned in the mid-1970's but this, and other structures, remained. In the early 2000's the viaduct was refurbished to be part of the GAP. In 2016 the truss bridge portion that crosses over the main line of the CSX Railroad was raised to accommodate taller double-stack container rail cars.

The GAP is a biking/hiking trail. To reach the Keystone Viaduct, begin at the Meyersdale, PA Trail Access. The Access is a restored WMdRwy Station operated by the Meyersdale Historical Society. From the station, go East. The viaduct is just over 3 miles. On the way you will also cross the historic...

Such a beautiful walk. 1.7 miles from the Sandpatch trail access or about the same from the Meyersdale access. This section of the Great Allegheny Passage is some of the nicest of the 150 miles of bike/walking trail. Choose from the Keystone Viaduct or the 1900 foot Salisbury Viaduct or the Big Savage Tunnel only a 10 mile ride. Just a...

Very cool bridge, but I tried to navigate right to this but the road is under the bridge and did not see a trail up to it. Ended up going in to the meyersdale trail head and hiking in to it on...