According to my Nicholson map, Butcher's bridge at Braunston is bridge 1 and Bridge 94 at Braunston Turn is also bridge 3. So I surmise that Bridges 95 to 108 (excluding 96 which is an Aqueduct rather than a bridge) were previously 4 to 16 but were absorbed into the GU numbering system.
Am I right? -- WBW John
