Angle of crossing of a bridge is the angle between
a) C.L. of water course/road to C.L. of track*
b) C.L. of water course to C.L. of pier
c) C.L. of water course to normal (perpendicular) of C.L. of track
d) C.L. of abutment to C.L. of pier
a) C.L. of water course/road to C.L. of track*
b) C.L. of water course to C.L. of pier
c) C.L. of water course to normal (perpendicular) of C.L. of track
d) C.L. of abutment to C.L. of pier