A Timber Footbridge for a 15-Metre Rural Crossing: Member Sizing, Honest Live Load, and the Span Where the Design Stops Working

A 15 m locally sawn timber footbridge is sized from beam mechanics. Deflection, not bending strength, governs: 18 people at the span/250 limit, and the same section stops working at about 17 m.

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-10
DOI
https://doi.org/10.5281/zenodo.24113647
Primary Topic
Structural Engineering and Materials Analysis
Type
preprint
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preprint

A Timber Footbridge for a 15-Metre Rural Crossing: Member Sizing, Honest Live Load, and the Span Where the Design Stops Working

William Alexander Aldred
Zenodo (CERN European Organization for Nuclear Research)
Structural Engineering and Materials Analysis
preprint

A Timber Footbridge for a 15-Metre Rural Crossing: Member Sizing, Honest Live Load, and the Span Where the Design Stops Working

William Alexander Aldred
preprint en

Abstract

A 15 m locally sawn timber footbridge is sized from beam mechanics. Deflection, not bending strength, governs: 18 people at the span/250 limit, and the same section stops working at about 17 m.

Zenodo (CERN European Organization for Nuclear Research)
Structural Engineering and Materials Analysis
DOIOpen Access PDFOpenAlex
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A Timber Footbridge for a 15-Metre Rural Crossing: Member Sizing, Honest Live Load, and the Span Where the Design Stops Working — William Alexander Aldred · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS