D.—l

North Island Main Trunk Railway.—Toanui Viaduct (View looking from Inside of Curve). Four steel lattice girder spans of 64ft.; four steel plate girder spans of 36ft.; three steel braced piers on concrete foundation blocks; one concrete pier and two concrete abutments Curve, 10 chains radius; gradient, 1 in 60; height, 115 ft. from creek to rail-level; length over all, about 460 ft.