Concrete bridge (Tunkhannock Viaduct, 2,375' x 240', 1915) across Tunkhannock Creek in Nicholson, Wyoming County, PA. PA92 (State St.) E. 0.1 miles from jct with US11 in Nicholson to the viaduct. (6-16-06, N41 37.58 W75 46.56) Photos by Jack Schmidt.