FOI Request - Bridges and Retaining Walls

Request 101003675629

These Questions All Relate to the Financial Year 2023/2024.

1.  How many road bridges and retaining walls are you responsible for maintaining?
a.  Road bridges
b.  Retaining walls

2.  For the last financial year 2023/24:
a.  How many Principal Inspections have taken place in that year?
i.  Road bridges
ii.  Retaining walls

b.  How many Principal Inspections did you plan to do in that year?
i.  Road bridges
ii.  Retaining walls

3.  For the last budget year 2023/24:
a.  How many General Inspections have taken place in that year?
i.  Road bridges
ii.  Retaining walls

b.  How many General Inspections have taken place in that year?
i.  Road bridges
ii.  Retaining walls

c.  How many General Inspections did you plan to do in that year?
i.  Road bridges
ii.  Retaining walls

4.  For the last financial year 2023/24, how many Structural Reviews did you undertake?

5.  How many substandard bridges do you have (in terms of ability to carry 44t vehicles)? Please exclude bridges that have weight restrictions for environmental reasons.

a.  Of these substandard bridges, how many do you intend to return or upgrade to full load carrying capacity in the next 5 years?
b.  How many bridges would you return to full load carrying capacity if you had no resource restrictions?

6.  For the last financial year, 2023/24:
a.  How many post-tensioned bridges do you have?
b.  How many of those have had PTSIs within the last 18 years?
c.  Of those that have not had a PTSI, how many require/are due one?
d.  How much funding would you anticipate is required to remove the backlog of PTSIs for those bridges identified in Q6(c)?

7.  In monetary terms, what is the current Depreciation (i.e., difference between your GRC and DRC for 2023/24?

8.  What is the calculated value of your workbank? (Workbank is defined as the total value of condition-based maintenance work that has been identified and can be calculated using SAVI or by other means)

9.  For the last financial year, 2023/24:
a.  What is the annual revenue works expenditure for maintaining your bridge stock (excluding staff costs)?
b.  What is the annual capital works budget for maintaining your bridge stock?
c.  What total budget would you estimate is required to maintain the bridge stock at its current level (standstill budget)

10. For the last financial year, 2023/24:
a. What was the revenue works budget for maintaining your retaining wall stock (excluding staff costs)?
b. What was the capital works budget for maintaining your maintaining wall stock?  
c. What total budget would you estimate is required to maintain the retaining wall stock at its current level (standstill budget)?

11. For the last financial year, 2023/24:
a. How many of your bridges required a Stage 1 Scour Assessment?
b. How many Stage 1 Scour Assessments did you undertake?

12. For the last financial year, 2023/24:
a. How many of your bridges required a Stage 2 Scour Assessment?
b. How many Stage 2 Scour Assessments did you undertake?

13. For the last financial year, 2023/24:
a. How many bridges under your management completely collapsed in 2023/24?
b.  How many bridges under your management partially collapsed in 2023/24?
c.  How many retaining walls under your management completely collapsed?
d.  How many retaining walls under your management partially collapsed?
e.  Would you be happy to share the details with members of the UK Bridges Board? Y/N

14.  How many reports did you submit to CROSS-UK (Collaborative Reporting for Safer Structures)?

15.  What was your Bridge Stock Condition Index (BSCI) at the end of 2023/24 (or current if easier)?

16.  What issues with managing your bridge stock causes you most concern?

17.  How many Principal Inspections have not been undertaken as a consequence of being unable to obtain, or cancellation of, a track possession?