Structures
The table below defines maintenance categories for structures.
Routine Maintenance | Preventive Maintenance | Major Maintenance |
|---|---|---|
Repair of substructures, superstructures,
decks, joints, approach slabs and railing; spot painting; repair and
operation of movable bridges; installation of temporary bridges; repair
and installation of fender systems. | Steel structure cleaning and repainting
or the installation of other coatings; installation of bridge deck
protection; joint cleaning and sealing or replacement. | Bridge rehabilitation, reconstruction,
or replacement. Replacement of structures only as a result of major
disaster when no other funds or programs are available. |