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Southern portal More detail photos OFFICIAL NAME: Stowe Tunnel OTHER DESIGNATION: LOCATION: Stowe Twp USGS 7.5" Topo Quad - UTM Coordinates: Pittsburgh West - Zone 17; 0578 4480 CARRIES: Tunnel Way, Seventh Av (2 lanes) sidewalk on west side BETWEEN: -- Island Av [PA51] -- Ridge Av UNDER: -- McCoy Rd -- Benwood Av TYPE OF CONSTRUCTION / DESIGN: reinforced concrete lining, semicircular profile bored through rock TOTAL LENGTH: 495 ft est OTHER DIMENSIONS: 13 ft 8 in posted vertical clearance, north portal 11 ft 11 in posted vertical clearance, south portal 28 ft wide (est) YEAR OPENED / ENGINEER: 1909, rebuilt 1940 (1941), County of Allegheny PennDOT, current owner ADDITIONAL INFO: The retaining walls leading up to the portals appear to be from the 1909 construction. This is probably the most well lit tunnel in the county. It appears when PennDOT assumed ownership of the tunnel the rehabilitation included new lighting, bright white paint on the lower third of the walls, and Jersey barriers along each wall. The western barrier protects the sidewalk and moves southbound traffic toward the center of the tunnel. This also accounts for the 13 ft 8 in clearance posted for southbound traffic but 11 ft 11 in clearance in the opposite direction. There are no mechanical means of ventilation and no vent stacks. Mounted to the right of each portal, a plaque reads:
Edwin H. Stowe, associate Judge of Common Pleas 1862-1877, president judge 1877-1903. Stowe Twp erected from part of Robinson Twp. in December 1869 after a similar motion had been defeated two years earlier. FIELD CHECKED: 31-Aug-2001 INFO SOURCES: Cushing, "History of Allegheny County", 1889 Submit info or inquiry - share some facts or ask a question. Introduction -- Nearby Structures Page created: Last modified: 31-Aug-2001 |
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