PIERS. Columns shall be at least 0.2H in thickness at the base. Slope the top of bridge seat to drain. If weathering steel is used for the superstructure, detail the bridge seat to minimize water staining concrete surfaces. Provide a minimum edge distance of 6 inches from edge of masonry plate or bearing to edge of concrete. Provide a minimum of 18 inches beyond the outside edge of outermost masonry plate or bearing to end of the pier. Single column piers shall not be considered for Underpass Structures. Piers with a minimum of two columns shall be provided. A solid pier wall with minimum of 4 feet thickness is preferable. Bridge piers adjacent to roadways shall be protected from vehicular traffic as required per AASHTO and State Department of Transportation standards.
Appears in 2 contracts
Sources: Railroad Right of Way Agreement, Railroad Right of Way Agreement