From the announcement:
GameCraft Miniatures has released a Pegasus Bridge in 1/285th scale (6mm) as well as 15mm/20mm. The 285th scale version has a total length of 11.3" and a center span of 5.9". the 15mm/20mm version has a total length of 32" and a center span of 16.8".
Both models are compatible with GameCraft's Modular Road System.