Monnow Bridge Monnow Bridge is in Monmouth, Wales. It is the last remaining mediaeval fortified river bridge in the United Kingdom. It crosses the River Monnow (Afon Mynwy) over its confluence with the River Wye. It is a Grade I listed building. Limited Edition: 195 Image size: 30 x 30 cms (paper size 35.5 x 35cms approx) Price: £85 Share on Facebook or TwitterShareTweet