Table 2-6. Capacity Dimensions Required on the Seven Basic Bridges
Capacity
Simple Stringer
Dimension Data
Thickness of wearing surface
x
x
x
x
x
x
x
Thickness of flooring, deck, or
x
x
x
x
x
x
x
depth of fill at crown
Timber
Steel
Rectangular
Log
I beam Channel Rail
Distance (center to center) between
x
x
x
x
x
x
x
x
x
x
T beams, stringers, or floor beams
Number of T beams or stringers
x
x
x
x
x
x
x
x
x
Depth of each T beam or stringer
x
b
x
x
x
x
x
x
x
Width of each T beam or stringer
x
c
c
c
x
x
x
x
Thickness of web of I beams,
x
x
x
x
x
x
WF beams, channels, or rails
Sag of cable
x
Number of each size of cable
x
Thickness of arch ring
x
Rise of arch
x
Diameter of each size of cable
x
Depth of plate girder
x
Width of flange plates
x
Thickness of flange plates
x
Number of flange plates
x
Depth of flange angle
x
Width of flange angle
x
Thickness of flange angle
x
Depth of web plate
x
Thickness of web plate
x
Average thickness of flange
x
b = diameter
c = width of flange
x = a required dimension
2-13
EN 5622
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