Highway structures that you maintain as a highway authority

Please provide the information below for highway structures that you maintain as a highway authority. Please use data as at 31 March 2026, or the latest date held. If the information is held in a different format, please send it as held; a partial response is very welcome

1. As at 31st March 2026, how many highways structures do you maintain, by type? Structure type Asset count (#), 2026

Road bridges
Footbridges
Culverts (on your own reporting threshold)
Retaining walls
Sign / signal gantries
Tunnels
Other
Total



a. Please include how many of the bridges carry the highway over a railway


2. As at 31st March 2026, how many bridges do you have, by primary material? Bridge material Asset count (#), 2026

Steel or other metal
Steel / concrete composite
Reinforced concrete
Prestressed concrete
Masonry or brick arch
Timber / other



3. As at 31st March 2026, how many structures fall into each Bridge Condition Index (BCI) band? BCIav (or BCIcrit if that is what you report)BCI band Asset count (#), 2026

Very Good (90 to 100)
Good (80 to 89)
Fair (65 to 79)
Poor (40 to 64)
Very Poor (0 to 39)

4. What was your capital and revenue spend on highway structures for each year in the table below? If spend is not split, please provide total spend for as many years as held.

FY Capital (£) Revenue (£) Total (£)
2020/21
2021/22
2022/23
2023/24
2024/25
2025/26


5. What is your budgeted or planned capital and revenue spend on highway structures for each year from 2026/27? If spend is not split, please provide total spend for as many years as held.

FY Capital (£) Revenue (£) Total (£)
2026/27
2027/28
2028/29
2029/30
2030/31

6. What is your latest estimate of the structures maintenance backlog (the cost to bring the stock to your target condition) and the date of that estimate?

7. Please name the contracts or frameworks used for highway structures works in 2023/24, 2024/25 and 2025/26, the contractors appointed under each, and the contract end dates

1.

Road bridges 1516

Footbridges 141

Culverts (on your own reporting threshold) 2206 (measured as 600mm span and above)

Retaining walls 148

Sign / signal gantries 10

Tunnels 14

Other N/A

Total 4035

a. 12

2. A single bridge may be formed of multiple spans of differing construction form, therefore the figures provided are the total number of spans constructed from each primary material.

Steel or other metal 196

Steel / concrete composite of the 127 above, 80 include a concrete slab as secondary deck element

Reinforced concrete 515

Prestressed concrete 228

Masonry or brick arch 791

Timber / other 21timber, 20 others (6 post tensioned and 14 GRP/FRP composites)

3. 

Very Good (90 to 100) 2174

Good (80 to 89) 821

Fair (65 to 79) 749

Poor (40 to 64) 351

Very Poor (0 to 39) 98

BCIcrit reported. The figures provided are the total number of spans, not the number of bridges

4.

FY Capital (£) Revenue (£) Total (£)

2020/21 £1,190,485.36 (rev) and £1,940,153.76 (cap)

2021/22 £1,264,816.63 (rev) and £2,875,126.50 (cap)

2022/23 £1,177,298.52 (rev) and £3,874,355.06 (cap)

2023/24 £1,202,805.99 (rev) and £2,213,132.02 (cap)

2024/25 £1,400,141.73 (rev) and £2,570,784.64 (cap)

2025/26 £1,268,518.78 (rev) and £2,993,594.30 (cap)

5.

FY Capital (£) Revenue (£) Total (£)

2026/27 £1,273,228.00 (rev) and £2,427,356.00 (cap)

2027/28£1,355,988 (rev) and £2,467,720 (cap) – proposed but is yet to be agreed

Future years have not yet been proposed 2028/29 2029/30 2030/31

6. As can be found the current Highways Asset Management Strategy, the difference between the Gross Replacement Cost and Depreciated Replacement Cost, is £254m calculated on 31st March 2025.

7. Works have been undertaken by Balfour Beatty as part of the Highway Works Term Contract 2020-2032.