Belle Vernon, PA sits along the bank of the Monongahela River next to Interstate 70. This wonderful suspended arch bridge, with its truss work arch, crosses the river there. The railroad track along the river provides a good view. Belle Vernon Bridge. The Speers rail road bridge, an unusual K truss, runs parallel. Voigtlander Bessa I with a Vaskar 105mm/f4.5 lens. Kodak Ektachrome.