NE Woodwalton replacement bridges

Woodwalton Fen National Nature Reserve is a wet Fenland site to the south of Peterborough. The site is managed for conservation by Natural England. The site has a number of bridges mainly for vehicles to cross the ditches that are cut through the managed land and these have a program of replacement. The supplier shall design, deliver and replace bridges that shall be of sound construction to enable safe crossing of machinery up to 20 tonnes. The bridges shall have a long life span and evidence of this shall be provided to Natural England. Dimensions: 4.6 m span x 3.6 m wide (some may vary slightly)