Wikimedi'Òc

B&lerr.jpg - Sharakka

3-4 view, looking SW from north bank, showing spans over back channel, with Pennsylvania Turnpike in background. - Bessemer and Lake Erie Railroad, Allegheny River Bridge, Spanning HAER PA,2-OAK.V,1-2.tif - Fæ

Perspective view of simple truss span at north end, looking NW. - Bessemer and Lake Erie Railroad, Allegheny River Bridge, Spanning Allegheny River, East of Pennsylvania Turnpike HAER PA,2-OAK.V,1-3.tif - Fæ

Oblique of bridge, looking west from south bank of Allegheny River at lock and dam no. 3. - Bessemer and Lake Erie Railroad, Allegheny River Bridge, Spanning Allegheny River, East HAER PA,2-OAK.V,1-1.tif - Fæ

Perspective view of cantilever truss over back channel, looking SW. - Bessemer and Lake Erie Railroad, Allegheny River Bridge, Spanning Allegheny River, East of Pennsylvania HAER PA,2-OAK.V,1-4.tif - Fæ

Oblique view of cantilever truss over main channel, looking NNE from south abutment. Pennsylvania Turnpike Bridge at left. - Bessemer and Lake Erie Railroad, Allegheny River Bridge HAER PA,2-OAK.V,1-5.tif - Fæ

Oblique view of cantilever truss over main channel, looking NNE from south abutment. - Bessemer and Lake Erie Railroad, Allegheny River Bridge, Spanning Allegheny River, East of HAER PA,2-OAK.V,1-6.tif - Fæ

Detail view inside cantilever truss over main channel, showing lower chord and lateral bracing. Note webbing between diagonal eye-bars at right. Pennsylvania Turnpike Bridge in HAER PA,2-OAK.V,1-7.tif - Fæ

Detail view inside cantilever truss over main channel, looking SSW toward south abutment. - Bessemer and Lake Erie Railroad, Allegheny River Bridge, Spanning Allegheny River, East HAER PA,2-OAK.V,1-8.tif - Fæ

Detail view of lower-chord connection near south abutment, with lateral, diagonal, and vertical members. - Bessemer and Lake Erie Railroad, Allegheny River Bridge, Spanning HAER PA,2-OAK.V,1-9.tif - Fæ

Oblique view of cantilever truss over main channel, looking NNE from south abutment. Pennsylvania Turnpike Bridge at left. - Bessemer & Lake Erie Railroad, Allegheny River Bridge, Spanning Allegheny River, Eas (hhh.pa3714.color.361917c).tif - Hhm8

Bessemer & Lake Erie Railroad Bridge 1896.jpg - Krib