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allegorical carving from Allegheny County Office Building; 1929-31; Stanley L. Roush, architect

BRIDGES AND
TUNNELS OF
ALLEGHENY
COUNTY,
PENNSYLVANIA

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Home > All By Location regional map > Glenshaw > Etna Tunnel
photo of tunnel
Northern portal

Main Information page
photo of tunnel photo of tunnel photo of tunnel
Northern portal

photo of tunnel photo of tunnel photo of tunnel
Northern portal, including 1903 date stone and "ETNA" in brick;
Safety bay

photo of tunnel photo of tunnel photo of tunnel photo of tunnel
Southern portal, including 1903 date stone at top of arch

photo of tunnel photo of tunnel
Pine Creek at Undercliff


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Introduction -- Nearby Structures

Last modified on 01-Oct-2001
copyright 1997-2001 Bruce S. Cridlebaugh