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Underbridge Clearance (UBC)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: ubc.ttl

Name

underbridgeClearance

Datatype

RealInterval

Definition

Clearance below bridge, measured from the lowest surface level to the base of the lower of either a cross beam or the lowest bridge deck.

Accepted

2013-10-18

Defined by

DFDD

Physical quantity

length

Recommended unit

Metre (m)

Used by

• AQ040 Bridge
• AQ045 Bridge Span

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.