Section 6: Bridges Over Navigable Waterways
Additional Inspection and Maintenance Requirements
In addition to the inspection and maintenance procedures common
with other bridges, bridges located over navigable waterways require
special attention. Fixed span bridges and moveable span bridges
have lighting required by the U.S. Coast Guard that may involve
frequent maintenance. Fender systems that protect bridge supports
also require routine inspection and maintenance. Additionally, moveable
span bridges require special attention to the mechanism and power
unit that provides movement.
Fender systems and lighting systems should be inspected as
part of the routine bridge inspection. Additional inspections should
also be performed following any significant event such as flooding or
impact damage. Repairs to lighting systems, including replacing
burned out bulbs, should be performed as soon as possible.
Moveable span bridges should be maintained in a serviceable
condition and operated at intervals frequent enough to make certain
the machinery is in proper operating condition.
Lighting
Fixed span bridges should be lighted in accordance with the
requirements of Title 33, Part 118.65, “Lights on Fixed Bridges,”
of the Code of Federal Regulations (33 CFR 118.65).
Swing span bridges should be lighted in accordance with the
requirements of Title 33, Part 118.70, “Lights on Swing Bridges,”
of the Code of Federal Regulations (33 CFR 118.70).
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