- Transom positioned at the centre of panel 'Diamond' = Acro 300
- Transom bolted to panel, instead of using transom clamps = Mabey Compact 100
- Four dowel holes / four panels at each end of transom = Standard-Widened Bailey Bridge (SWBB), or possibly a field-modified SBB
- Sway Brace - no markings = Standard/Original Bridge
- Sway Brace - has Yellow markings between 'collars' = M2/Standard-Widened Bailey Bridge
- Sway Brace - has Red markings between 'collars' = M3/Extra-Wide Bailey Bridge (EWBB)
- Transom has "Beer Belly" = EWBB
- Transom built from narrow diagonal strips = HGB / HGOB
- Wooden kerbs (ribands) = British bridge
- Metal kerbs (ribands) = US bridge
- Wooden decking (chesses) = SBB, EWBB
- Metal decking plates = HGB
See also the: Bailey Bridge Primer for more detailed dimensional and construction differences between Bailey Bridge designs.