Wikimedi'Òc

Allenwood River Bridge.jpg - Niagara

West Hickory Bridge.jpg - Nyttend

Bridge between Madison and Mahoning Townships.jpg - Nyttend

Bridge in Cumberland Township.jpg - Nyttend

Birmingham Bridge, Juniata River.jpg - Nyttend

Bridge in Greenwood Township.jpg - WikiPedant

Hogback Bridge.jpg - Nyttend

Feltons Mill Covered Bridge.jpg - Nyttend

Diehls Covered Bridge.jpg - Nyttend

Quaker Bridge.jpg - Ruhrfisch

Bridge in French Creek Township.jpg - Ruhrfisch

Haer-pa-461-photo03.jpg - Elizabeth Linden Rahway

HEIKES COVERED BRIDGE.jpg - Cropbot

Blue Stone Bridge, Wissahickon, Philadelphia PA.jpg - Themfromspace

REPRESENTATIVE BARREL VIEW OF TRUSS SHOWING DISPLACED SPAN 5, ROADWAY, RAILINGS, AND SUPERSTRUCTURE, WEST CHANNEL SPANS, LOOKING NORTHEAST. - Walnut Street Bridge, Spanning HAER PA,22-HARBU,25-26.tif - Fæ

WEST CONFEDERATE AVENUE BRIDGE SPANNING CODON'S RUN, BUILT 189x. NOTE STRAIGHT ASHLAR COURSING AND RAISED KEYSTONES. VIEW NW. - Gettysburg National Military Park Tour Roads, HAER PA,1-GET.V,21-18.tif - Fæ