Keywords: Steamtown-Nicholson-Viaduct.JPG The Tunkhannock Viaduct also known as the Nicholson Bridge is a concrete deck arch bridge that was opened 1915 and spans the Tunkhannock Creek in Nicholson Wyoming County Pennsylvania USA en wikipedia AHert CommonsHelper 2007-03-08 WallyFromColumbia wikipedia en WallyFromColumbia Original upload log page en wikipedia Steamtown-Nicholson-Viaduct JPG 2010-11-02 19 00 Alex at kms 3556×2392× 671333 bytes <nowiki>clean up</nowiki> 2007-03-08 22 33 WallyFromColumbia 3600×2417× 555239 bytes <nowiki>Steamtown train crossing Nicholson Viaduct</nowiki> Tunkhannock Viaduct |