# New Aghalane Bridge Order (Northern Ireland) 1997, Minimum dimensions


Minimum span — 22 metres clear between the abutments.
Minimum headway — 5.5 metres above the summer navigation level of 43.07 metres (above ordnance datum) Malin Head over a minimum width of 3 metres.
Minimum waterway — 18 metres.

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Source: https://www.legislation.gov.uk/nisr/1997/250/schedule/crossheading/minimum-dimensions (the official version)
Page: https://openlegislation.uk/new-aghalane-bridge-order-northern-ireland-1997/schedule/crossheading-minimum-dimensions
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.