Freedom of information response

Road Bridges

Publication date: 
Wednesday 20 March 2024
Request: 

1.    How many road bridges are you responsible for maintaining? 
2.    For the last financial year 2022/23
(i) how many Principal Inspections have taken place in that year?
(ii) how many Principal Inspections did you plan to do in that year?
3.    For the last financial year 2022/23
(i) how many General Inspections have taken place in that year?
(ii) how many General Inspections did you plan to do in that year?
4.    For the last financial year 2022/23 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. 
6.    Of these substandard bridges, how many do you intend to return or upgrade 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 post-tensioned bridges do you have?
(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 for 2022/23?
10.    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)
11.    (i) What is the annual revenue works expenditure for maintaining your bridge stock (excluding staff costs)?
(ii) What is the annual capital works expenditure for maintaining your bridges stock? 
(iii) What total budget would you estimate is required to maintain the bridge stock at its current level (standstill budget)? 
12.    For the last financial year: 2022/23
(i) How many of your bridges required a Stage 1 Scour Assessment?
(ii) How many Stage 1 Scour Assessments did you undertake?
13.    For the last financial year: 2022/23
(i) How many of your bridges required a Stage 2 Scour Assessment?
(ii) How many Stage 2 Scour Assessments did you undertake?
14.    (i) How many bridges under your management completely collapsed in 2022/23?
(ii) How many bridges under your management partially collapsed in 2022/23?
(iii) Would you be happy to share the detail with members of the UK Bridges Board? Y/N
15.     What was your Bridge Stock Condition Index (BSCI) at the end of 2022/23 (or current if easier)?
16.    What issues with managing your bridge stock causes you most concern?

Response: 
  1. How many road bridges are you responsible for maintaining? 43
  1. For the last financial year 2022/23

(i) how many Principal Inspections have taken place in that year? 25

(ii) how many Principal Inspections did you plan to do in that year? 25

  1. For the last financial year 2022/23

(i) how many General Inspections have taken place in that year? 36

(ii) how many General Inspections did you plan to do in that year? 36

  1. For the last financial year 2022/23 how many Structural Reviews did you undertake? 26
  1. 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. 1 (1436 Greenacres)
  1. Of these substandard bridges, how many do you intend to return or upgrade to full load carrying capacity in the next 5 years? Zero
  1. How many bridges would you return to full load carrying capacity if you had no resource restrictions? 1
  1. (i) How many post-tensioned bridges do you have? 0 (this is based on inspection data)

(ii) How many of those have had PTSIs within the last 18 years? N/A

(iii) Of those that have not had a PTSI, how many require/are due one? N/A

(iv) How much funding would you anticipate is required to remove the backlog of PTSIs for those bridges identified in Q8(iii)? N/A

  1. In monetary terms, what is the current Depreciation (i.e. difference between your GRC and DRC for 2022/23? Unquantified
  1. 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) Unquantified
  1. (i) What is the annual revenue works expenditure for maintaining your bridge stock (excluding staff costs)? £145,000

(ii) What is the annual capital works expenditure for maintaining your bridges stock? £250,000

(iii) What total budget would you estimate is required to maintain the bridge stock at its current level (standstill budget)? Unquantified

  1. For the last financial year: 2022/23

(i) How many of your bridges required a Stage 1 Scour Assessment? 0

(ii) How many Stage 1 Scour Assessments did you undertake? N/A

  1. For the last financial year: 2022/23

(i) How many of your bridges required a Stage 2 Scour Assessment? 0

(ii) How many Stage 2 Scour Assessments did you undertake? N/A

  1. (i) How many bridges under your management completely collapsed in 2022/23? 0

(ii) How many bridges under your management partially collapsed in 2022/23? 0

(iii) Would you be happy to share the detail with members of the UK Bridges Board? N/A

  1.  What was your Bridge Stock Condition Index (BSCI) at the end of 2022/23 (or current if easier)? Current average of the average is 89, average of the critical is 83
  1. What issues with managing your bridge stock causes you most concern? Network interface and high costs associated with it.  Other than the financial cost of maintaining the Assets.  Network Rail by fair are the biggest obstacle in terms of access and costs.
Request reference:
FOI 13532