The latest information available as at 1 November 2012 is as follows: Grade description (Percentage) A : Very good B : Good C : Fair D : Poor E : Bad Number of assets assessed Principal assets (including locks, reservoirs, boat-lifts and moving bridges) 9 31.5 48.5 10.4 0.6 676 Significant non-principal assets Towpath 14.3 25 34 23.2 3.5 118.5 km Bank protection 4.4 17.7 51.3 18 8.6 221.8 km Lock gates 10.2 64.8 23.9 1.1 0 88 Scottish Canals take a risk-based approach in using the funding available to maintain the network.