Skip to main content  


Bridges and highway structures

The City of London Corporation owns and maintains five bridges

  • Blackfriars Bridge
  • London Bridge
  • Millennium Bridge
  • Southwark Bridge
  • Tower Bridge

If you have an enquiry or want to report a defect to our District Surveyors Office, please email our engineering team or call our Contact Centre on 020 7606 3030.

Abnormal loads

You need approval for moving an abnormal load through the City of London. Your proposal must include your intended route and should be submitted by emailing our engineering team. Allow at least three working days to process.

Related topics

Technical approval for highway structures

The City of London Corporation as highway authority has a duty to ensure that any structure, new, existing, or temporary that spans or supports the highway is fit for purpose. Technical approval (TA) is a means by which the City Corporation ensures that as far as reasonably practicable such structures are safe and serviceable in use and that adequate provision for inspection and maintenance has been made.

TA is is required for works that could affect the support of the highway, such as basement digging.

The TA process comprises an Approval in Principle (AIP), a Design Certificate and Check Certificate and scaffold protection and vehicle impact protection for scaffolding. The AIP records the agreed basis and criteria for the detailed design or assessment of a highway structure.

The Design Certificate and Check Certificate are documents which record that the Design Team and/or the Checking Team have undertaken their design/assessment and checking in accordance with the AIP and any conditions imposed by the Technical Approval Authority (TAA) which are to be completed before works starts, have been met.

Download our guidance notes and application form (255KB)

NOTE The District Surveyor's office needs the application form, the AIP submission and the fee before the application can be processed. There is more information on the TA process in the Design Manual for Roads and Bridges (DMRB) (BD2). For more information contact the engineering team or call 020 7606 3030.