TM 5-5420-209-12
b. Interior Bay. (figure 1-6)
Bay upper connectors (dogbones) (1). Connect to adjacent bays and helps prevent separation of bays during operation.
Roadway ponton upper connectors (dogbones) (2). Connect to opposite side roadway ponton to prevent separation of
roadways during operation.
Roadway (3). Provides a flat road surface for vehicles using bridge.
Walkway (4). Provides a separate path for personnel to use when crossing the bridge.
Bow ponton (5). Provides additional flotation and personnel walkway.
Roadway ponton (6). Supports roadway and is the major load carrying member of the bay.
Lower lock drive (7). Secures bays to one another.
Figure 1-6. Location and Description of Major Components, Interior Bay
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