Bridges & Highways

Ainsworth Civils have constructed numerous motorway bridges, road culverts, pedestrian footbridges, site access roads and walkways over a diverse range of projects in the highways, power generation, rail, renewables, water and wastewater sectors.

A thorough analysis is undertaken for each project to understand the site requirements for plant, equipment, drainage and method of construction requirements. Ainsworth Civils are equipped to undertake all facets of the construction works required from piling, excavation, steel fixing, formwork placement/selection and finally concrete placement.

As a specialist sub-contractor Ainsworth Civils are able to quote full packages including labour, plant and materials or any combination of the above as required. Examples of the types of work conducted in this area are as follows:

  • Concrete bridges and structures
  • Cut and cover motorway bridges
  • FRC works for new roads and extensions
  • Footpaths and general hard standings
  • Civils and FRC works for new site access roads and extensions
  • Site bridges and culverts
  • Site access roads and reinforced hard standings
  • General works extensions including pump and valve chambers
  • General FRC structures, i.e. cabinet bases
  • Concrete remedials, core drilling and concrete cutting
  • Bridge deck scabbling and preparation works for resealing operations
  • Manholes and site service and duct runs

Projects completed to date

New motorway services bridge and earth retaining walls at Cobham services on the M25
Customer: Balfour Beatty and MS Extra

Sadlers Farm in Kent, two new motorway overbridges (Church Farm Road and Saddlers Farm Bridge) and FRC works including culverts and underpasses
Customer: Birse Civils Ltd and Essex Highways

A229 rail overbridge
Customer: Birse Civils Ltd for Medway Council with technical input by Kent Highways
Roscommon Way extension, removal of two failing gas protection slabs and construction of two new piled land bridges
Customer: Birse Civils Ltd for Essex Highways

Roscommon Way extension, construction of two new culvert bridges, various stream diversion drainage culverts and gas protection slabs
Customer: Birse Civils Ltd for Essex Highways

Dunton Road bridge parapet widening over the A127 in Essex
Customer: Birse Civils Ltd for Essex Highways
East Kent access new Cottington Road overbridge, crossing rail and existing road
Customer: VolkerFitzpatrick for Kent Highways

Rushenden relief road new rail overbridge
Customer: Birse Civils Ltd for SEEDA and Kent Highways

New flexible site access road to the screenings slab at Motney Hill
Customer: 4Delivery AMP4 Costain for Southern Water

Sittingbourne new concrete site access road drainage and runs
Customer: 4Delivery AMP4 Costain for Southern Water


Ainsworth Civils were commissioned to construct the Rushenden relief road bridge which passes over the railway line below to form part of a link road providing better access to the new Queenborough and Rushenden development area on the Isle of Sheppy.

The clients, SEEDA & Kent Highways were so impressed with the work performed and subsequently Ainsworth Civils were recognised with the following awards:

International safety award (British Safety Council)
Transport award (ICE Engineering Excellence Award)