Public rights of way in Broxbourne are managed by Broxbourne Borough Council under an agency agreement. For issues relating to the access to and maintenance of public rights of way in the first instance, any issues, please contact the Borough Council directly,
Here is a link to the relevant page on their website, below. If necessary the Borough Council can then escalate the matter to the County Council, for example if enforcement action is required to remove an obstruction.
https://ex.broxbourne.gov.uk/leisure-sport-and-recreation/report-fault-cycle-route-or-footpath