770.1 District Routine Maintenance and Special Crew Responsibilities

District crews shall be responsible for the following maintenance items:

• Cleaning and flushing of all bridges (a minimum one time each year at the end of the snow season) (Cleaning & Flushing)
• Sealing cracks in bridge decks (Bridge Deck Crack Sealing)
• Removing and replacing asphalt overlays and/or seals (Chip Sealing Deck)
• Placing new bridge deck seals and/or asphalt overlays (Chip Sealing Deck)
• Repairing bridge decks with concrete (Temporary Deck Repairs)
• Repairing and sealing deck joints with appropriate material (Hot Pour, Silicone, or Polytite)
• Sealing deck spalls with Pavon (Bridge Deck Sealing)
• Cleaning and sealing accessible concrete caps (Sealing Abutment and Pier Caps)
• Minor painting of bearings or steel piling (Spot Painting)
• Replacing timber planks on abutment backwalls
• Replacing timber planks or running boards on timber decks
• Sealing approach joints with appropriate material (Hot Pour)
• Repairing or leveling approaches
• Cutting pavement expansion joints

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  Scour repair in Montgomery County

• Building or repairing mat gutters (Mat Gutter Maintenance)
• Repairing slope erosion
• Placing riprap on slopes, around abutments, or under deck drains
• Repair or mudjack slope protection (Mudjacking) See also mudjacking in Bridge Approach Slabs
• Bridge posting and advance warning signs
• Reflective tabs on bridge railings
• Cutting trees, brush or vines around and under bridges (Cut & Spray Brush)
• Removing drift (Drift Removal), performing channel work (Rock Blanket), correcting scour around footings (Gabion Installation)
• Bridge approach and guardrail shoulders (Shaving Shoulder and Around Guardrail)
• Stenciling bridge numbers on end post, columns, or bridge superstructures
• Maintaining bridge approaches