D.—2.

Bridge Strengthening and Reconstruction.—Estimated Expenditure.

LVIII

Total Estimated Cost of Estimated Annual Expenditure. Line. Bridge Number. Strengthening or Remarks. Reconstruction. 1929-30. 1930-31. 1931-32. 1932-33. 1933-34. I Auckland Section. £ £ £ £ £ £ Auckland-Frankton .. .. 62, Ngaruawahia .. .. 35,000 20,000 15,000 .. .. .. Old timber bridge; weak for present engines. Reconstruction. Work authorized and in hand. Frankton-Thames .. .. 1, Hamilton .. .. 5,000 .. .. .. .. 5,000 Steel and iron; weak for present engines in floor system and pin-joints. To be strengthened. Speed-restriction meantime. Ohakune Section. Frankton-Marton .. .. 157, Makohine .. .. 12,000 6,000 6,000 .. .. .. Steel and iron; weak for present engines in floor system. Speed-restriction. Floor system to be renewed. This will enable all classes of engines to run. Wanganui Section. Marton-Paekakariki .. .. 98, Rangitikei .. .. 5,000 3,000 2,000 .. .. .. Timber trusses in fair order. Rods and floor-beams to be strengthened. 92, Oroua .. .. .. 16.000 10,000 6,000 .. .. .. Old timber trusses; weak for present engines. Reconstruction. 67, Manawatu .. .. 3,000 3,000 .. .. .. .. Timber trusses in fair order. Rods and floor-beams to be strengthened. 33, Otaki .. .. .. 27,000 10,000 17,000 f Old timber trasses; weak for present engines. 30, Waikanae .. .. 8,000 3,000 5,000 J *" \ Reconstruction. Marton - New Plymouth .. 109, Turakina .. .. 8,000 .. .. 8,000 \ w , , , x> + +• 111, Wangaehu .. .. 13,000 .. .. 1Z,000 / ' " Weak timber trusses. Reconstruction. 138, Whenuakura .. .. 20,000 12,000 8,000 .. •• .. Weak timber; temporary structure. Reconstruction. Work authorized and in hand. Timber trusses between Ara- 40,000 .. .. 10,000 11,000 19,000 Weak timber trusses. Reconstruction. moho and New Plymouth Wellington Section. Wellington-Napier .. .. 15,35,171,175 .. .. 10,000 5,000 5,000 .. .. .. Weak timber trusses and steel girders. Strengthening. Christchurch Section. , Main south line .. .. 10, Rakaia .. .. .. 124,000 .. 9,000 30,000 40,000 45,000 Weak timber bridge. Combined road and railway. Reconstruction. 18, Ashburton .. .. 20,000 5,000 5,000 5,000 5,000 .. Old weak timber trusses. Partial reconstruction. Greymouth - Arthur's Pass .. 30, Crooked River .. .. \ q q / Weak iron girders. Strengthening. Work autho45, Teremakau River .. J ' ' ' * ' * * * \ rized and in hand. Dunedin Section. Mam South Line .. .. 35, Rangitata North .. \ 66,000 10,000 10,000 10,000 20,000 16,000 Old weak timber trusses. Reconstruction. Jo, Rangitata South .. J 114, Waitaki .. .. 80,000 .. 8,000 20,000 20,000 32,000 Weak iron girders. Combined road and railway bridge. Reconstruction alongside. Otago Central Branch .. Taieri Gorge bridges .. 20,000 4,000 4,000 4,000 4.000 4,000 Weak iron girders. Strengthening. 521,000 100,000 100,000 100,000 100,000 121,000