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Road and driveway culverts should be inspected at least once a year.
Maintenance work should be prioritized and scheduled throughout the spring,
summer and fall. Malfunctioning culverts contribute significantly to flood
damage of roads and bridges.
Routine Seasonal Maintenance
Fall
- Make culvert ends for winter
- Remove obvious blockages
Spring
- Inspect culverts
- Remove obvious blockage (trash, fallen brush)
Summer
- Clean/flush inside pipe
- Repair/improve/install headwalls, end section and splash pads
- Mow, trim and remove brush from around culvert ends
- Cut and remove leaning and falling trees upstream
- Reestablish growth around culvert ends to prevent erosion
- Add cover material
- Remove obvious blockages | 
