Collapse of U.S. 35 Highway Bridge, Point Pleasant, West Virginia, December 15, 1967 (HAR-71/01)

Figure 2d - Detail of Expansion Joint of Connection of Truss to Chain Bent Post. - 8 - Details of connection of Ohio end of lower chord of south truss of Ohio side span into south chain bent post on Ohio side of bridge. Note the square pin connected to vertical chain bent post. The lower chord of the side span truss was permitted to move longitudinally through provision of a slotted section around the square pin to equalize expansion and contraction of the bridge due to temperature changes and changes in live load. The detail shown was that used to connect the lower chords of both trusses of the two side spans into the four chain bent posts in the bridge.