Gallox Bridge, Dunster of Dunster, with two arches over the River Avill. It has a roadway width of , a total width of and is long. The side of the bridge each have four narrow chamfered ribs. The approach from the village is via a raised causeway. Gallox Bridge, Dunster The Gallox Bridge in Dunster, Somerset, England dates from the 15th century. It has been designated as a Grade I listed building and scheduled monument. The bridge is in the guardianship of English Heritage. The stone packhorse bridge crosses the River Avill at the southern end of the village, below Dunster Castle at
Dunster Castle and Colonel Robert Blake led a Parliamentary force against Dunster in October. In November Blake began his siege of the castle, setting up his artillery in Dunster village and starting to dig tunnels to plant mines beneath the walls. The castle was briefly relieved by reinforcements in February 1646, but the siege was resumed and by April the Royalists situation was untenable – an honourable surrender was negotiated and a Parliamentary garrison installed. After the end of the Second English Civil War in 1649, however, Parliament decided to deliberately destroy, or slight, the defences of castles in key Royalist areas,