Timber bridges

Timber bridges

  General Guidance to Type versus Span - However this is an indication only

Material
Flat Beam
 
Cut to Camber
Glue-laminated
 
Timber Truss
 
Dowel-laminated
 
Ideal Span
Up to 11m
Up to 11m
Up to 11m
Typically Up to 30m
Over 10m
Softwood
x
x
x
 
 
Hardwood
x
x
 
x
x