Request ID: FOI-1907-2122 Date published: 17 December 2021
You asked
Dear Sir or Madam,
I am making this request under the Freedom of Information Act. Please see the following set of questions:
Defining a “road bridge” as a structure with a span of 1.5m or more providing public highway passage for motor vehicles over an obstacle such as a watercourse, railway, road or valley, please provide the following information for all road bridges for which you own as highway authority, including those which are jointly owned with another authority, but for which you are the lead authority:
1. How many road bridges are you responsible for maintaining?
2. For the last financial year (2020/21) how many Principal Inspections have taken place as a % of those requiring an inspection?
3. For the last financial year (2020/21) how many General Inspections have taken place as a % of those requiring an inspection?
4. For the last financial year (2020/21) how many Structural Reviews and/or BD21 assessments have been conducted as a % of those requiring an inspection?
5. How many sub-standard (in terms of capacity) and/or weight restricted bridges do you have?
6. Of these, how many do you intend to return to full load carrying capacity in the next 5 years?
7. How many bridges would you return to full load carrying capacity if you had no resource restrictions?
8. (i) How many of your bridges require post tensioned special inspections (PTSIs)?
(ii) How many of those have had PTSIs within the last 18 years?
(iii) Of those that have not had a PTSI, how many require/are due one?
(iv) How much funding would you anticipate is required to remove the backlog of PTSIs for those bridges identified in Q8(iii)?
9. In monetary terms, what is the current Depreciation (i.e. difference between your GRC and DRC as declared for your WGA return for 2020/21)?
10. What is the calculated value of your backlog of work for road bridges, or your best estimate if a calculated value is not available?
11. (i) What is the annual revenue works budget for maintaining your bridge stock? (excluding staff costs)
(ii) What is the annual capital works budget for maintaining your bridge stock?
(iii) What total budget would you estimate is required to maintain the bridge stock at its current level (standstill budget)?
12. (i) How many BD97 Stage 1 Scour Assessments did you undertake in 2020/21as a % of those requiring an assessment?
(ii) How many BD97 Stage 2 Scour Assessments did you undertake in 2020/21as a % of those requiring an assessment?
13. (i) How many bridges under your management completely collapsed in the last 12 months?
(ii) How many bridges under your management partially collapsed in the last 12 months?
(iii) Would you be happy to share the detail with members of the UK Bridges Board? Y/N
We answered
Our ref: FOI-1907-2122/GH
Thank you for your request received by Transport for London (TfL) on 19 November 2021 asking for information about road bridges.
Your request has been considered under the requirements of the Freedom of Information Act 2000 and our information access policy. I can confirm that we do hold the information you require.
Please find attached a spreadsheet providing the information you have requested.
If this is not the information you are looking for, or if you are unable to access it for some reason, please do not hesitate to contact me.
If you are not satisfied with this response please see the attached information sheet for details of your right to appeal.
Yours sincerely
Graham Hurt FOI Case Officer FOI Case Management Team General Counsel Transport for London
