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    ContractsTesting the Magnetic Main Flux Method for Detecting Cable Damage in UK Bridges
    Open tender

    Testing the Magnetic Main Flux Method for Detecting Cable Damage in UK Bridges

    Contract value
    £50k
    Published 5 Aug 2026

    National Highways is seeking exploratory research to evaluate whether the Magnetic Main Flux Method can effectively detect cable deterioration in UK bridges and be adapted for deployment in UK conditions.

    🇬🇧United Kingdom· West MidlandsPublished 5 Aug 2026· TodayviaFind a Tender
    Contract value
    £50k
    Published 5 Aug 2026

    Decision brief

    4 fields
    • Contract value
      £50,000indicative
      Pounds sterling
    • Closing date
      Rolling
      No closing date published
    • Sector
      Research & Innovation
      Browse related listings
    • Location
      🇬🇧United Kingdom
      West Midlands

    Lifecycle

    Open

    Open tender — no closing date published. Opened today.

    5 August 2026
    Open tender · no closing date published

    Brief

    National Highways is exploring whether the Magnetic Main Flux Method (MMFM) can be used to detect internal corrosion, wire breaks, and deterioration in bridge cable systems across the UK's aging bridge infrastructure. This non-destructive testing technique needs to be evaluated for its effectiveness, reliability, and practical application on suspension bridges, cable-stayed bridges, and prestressed/post-tensioned concrete structures. The research will examine whether MMFM can work effectively through various protective layers such as cement grout, galvanisation, coatings, HDPE sheathing, and wax, and whether it can provide quantitative measurements of corrosion and remaining cable strength. This is a preliminary market engagement process under the Procurement Act 2023 aimed at understanding if MMFM can be technically validated and adapted for UK environmental and operational conditions. This notice does not constitute a call for competition or commit National Highways to future procurement. Interested parties should be prepared to discuss technical expertise in non-destructive testing, bridge cable systems, and practical implementation in UK conditions.

    Track record

    27 awards · 16 winners
    Open field

    No single supplier dominates the field.

    In research innovation, NATIONAL HIGHWAYS LIMITED has awarded 27 contracts to 16 suppliers.

    Who wins here
    1. WSP UK LIMITED4× · 15%
    2. OVE ARUP PARTNERS LTD SPATS3× · 11%
    3. OVE ARUP3× · 11%
    4. AtkinsRéalis Jacobs Joint Venture3× · 11%
    5. Arup Aecom2× · 7%
    6. OVE ARUP PARTNERS LIMITED2× · 7%

    +10 more suppliers

    Across research innovation, the most active winners are IPSOS MARKET RESEARCH LIMITED, WSP UK LIMITED, SILVIJUS ABRAMAVIIUS — the field to beat, or your route in as a partner.

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    Take action
    View tender on sourceFind a Tender

    Full notice and submission process on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-06dc67
    NH
    Buyer
    NATIONAL HIGHWAYS LIMITED
    Sector
    Research & Innovation