Table 2-3. Span Type Symbols
Type of Span Construction
Number Symbol
Truss
1
Girder
2
Beam
3
Slab
4
Arch (closed spandrel)
5
Arch (open spandrel)
6
Suspension
7
Floating
8
Swing
9
Bascule
10
Vertical lift
11
Other (to be specified by name)
12
Table 2-4. Construction Material Symbols
Material of Span Construction
Letter Symbol
Steel or other metal
a
Concrete
k
Reinforced concrete
ak
Prestressed concrete
kk
Stone or brick
p
Wood
h
Other (to be specified by name)
o
j.
mission requires it, columns are added to give the military load classification (MLC), the
overall length, the roadway width, the overhead clearance, bypass condition and type (state
condition as easy, difficult, or impossible), and remarks (Figure 2-3, page 2-8). Include any
further important details of the bridge (such as damage, preparation for demolition, effort
to repair, and elaboration of information given under other column headings).
k.
Details of railway bridges may be included on the bridge reconnaissance report.
The letters RL are added after the serial number in column 1. Details of the work required
to convert the bridge for use by road vehicles are listed under the "additional bridge
information" block.
2-4. Bridge Sketches. Sketches can be made on the reverse side of DA Form 1249 to show
as much information as necessary (Figure 2-4, page 2-9). Several important details that
must be shown on a bridge sketch are discussed below.
2-11
EN 5622