Current
Civil & Structural Supplement
DMRB: Highway Structures and Bridges
Relates to the maintenance of buried concrete box structures, covering implementation, routine and remedial maintenance and environmental considerations.
Supersedes CM 432 Maintenance of buried concrete box structures (formerly BA 88/04). Revision 1 (HE, 2020). Design manual for roads and bridges (DMRB) Version 0 dated Dec 2019 - replaces part of BA 88/04. Version 1 dated Mar 2020 - updates references. Version 1.0.1 dated February 2025 - changes made to core document.
National Highways is a government company, with responsibility for operating, maintaining and improving motorways and major A roads in England. It works with the Department for Transport and was previously known as Highways England and Highways Agency.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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