Pennsylvania Railroad Overpass - Altoona, Pennsylvania
Posted by: 
ted28285
N 40° 30.111 W 078° 25.435
17T E 718287 N 4486648
The stone arch bridge was built by the Pennsylvania Railroad in the 1840's. It is still in use today.
Waymark Code: WM1451N
Location: Pennsylvania, United States
Date Posted: 04/17/2021
Views: 2
Known locally as the "Three Culverts" the bridge spans approximately 90' with three arches. The automobile traffic of Mill Run Road utilizes one of the arches. Wide enough for two average passenger cars to pass each other but trucks have to center themselves so not to roof the boxes. Center height is measured at 13'2". The center arch allows the water of Mill Run Creek to flow through. The third arch is dry with a natural floor.
Length of bridge: 90 feet
Height of bridge: 13'2" road surface to center of arch
What type of traffic does this bridge support?: Motor vehicles and stream
What kind of gap does this bridge cross?:
The elevated railbed was gapped for the stream.
Is the bridge still in service for its original purpose?: Railroad overpass
Name of road or trail the bridge services: Norfolk Southern Railroad
Location:
Blair County, Altoona City
Date constructed: Not listed
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