How does crossing a movable bridge work?
The Netherlands has more than 1500 movable bridges. What rules do you have to observe when passing, when do you have to wait, what do the lights mean and how do you ensure that the bridge keeper notices you?
All about the Spaarndam, brug in de A-9, location, opening hours and contact details. On the water map below do you see the bridge in its immediate vicinity. On the right on this page you will find the operating times of this bridge, if available the maritime radio data and telephone numbers, and any additional instructions.
 
Open the Water Map for Spaarndam in full window
The Netherlands has more than 1500 movable bridges. What rules do you have to observe when passing, when do you have to wait, what do the lights mean and how do you ensure that the bridge keeper notices you?
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| Vertical clearance when closed 6.65 meter | Width 14.2 meter |
| VHF-Channel - | Phone number 088-7973463 |
Currently the bridge is CLOSED
Planned openings
Sunday: 08:21 until 08:27 (Planned)
Sunday: 08:39 until 08:45 (Planned)
Sunday: 08:59 until 09:05 (Planned)
Sunday: 09:31 until 09:37 (Planned)
Sunday: 10:51 until 10:57 (Planned)
From 01-04 until 05-04
Weekends and Holidays: between 09:30 and 09:45 - On demand onlyFrom 06-04 until 23-05
Weekends: between 09:30 and 09:45 - On demand onlyOn 24-05
Weekends and Holidays: between 09:30 and 09:45 - On demand onlyFrom 25-05 until 30-06
Weekends: between 09:30 and 09:45 - On demand onlyFrom 01-07 until 31-08
Please note: For a smooth flow and as short a bridge as possible, shovelers are advised to follow any instructions carefully. The bridge operator communicates with the waiting traffic via the speaker.From 01-09 until 31-10
Weekends: between 09:30 and 09:35 - On demand onlyFrom 01-11 until 31-03
Request to operate at least 24 hours in advance via website https://betterserved.rws.nl.
Administrator visiting address
Toekanweg 7 Haarlem
Phone number: 088-7974500
Data updated: 03 Juli 2026, 09:47 uur
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