Abutments. 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. The abutments shall be wide enough to satisfy the Railroad standard roadbed. For multiple track bridges, the abutment width shall be sufficient to provide for the standard shoulder, plus 20 feet for each existing or future track. Provide a minimum edge distance of 6 inches from edge of masonry plate or bearing to edge of concrete. Sloping embankments in front of abutments shall be paved or have grouted rip-rap on top of filter fabric. The year of construction shall be shown at the face of abutment backwall. Numbers shall be embedded into the concrete and be 6 inches size and located where visible. Wing walls shall be designed to support 2:1 embankment slopes and provide positive ballast containment.
Appears in 2 contracts
Sources: Railroad Right of Way Agreement, Railroad Right of Way Agreement