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 Boltbrug, 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.
 
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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?
Via de Waterkaart Live apps kun je natuurlijk je locatie op de kaart bekijken en volgen. Dat kan nu ook met met waterkaart.net, óók met externe GPS-ontvangers. De nieuwe GPS-trackingfunctie vind je rechtsboven in het kaartvenster. Om deze functie te kunnen gebruiken is een …
Je kunt in Waterkaart Live heel gemakkelijk routes via GPX bestanden importeren en op de kaart zetten. Hoe je dat doet en waar je vaarroutes vindt lees je hier. GPX-bestanden bevatten routes of tracks. Dat kunnen vooraf geplande routes zijn, of routes die je hebt opgenomen. …
Als je de Waterkaart Live app gebruikt, kun je zelf vaarroutes plannen en opslaan. Daarbij houdt de route rekening met de hoogte van bruggen (en sluizen) op je route. Het gebruik van de routeplanner is eenvoudig, op deze pagina leggen we uit hoe het werkt. Deutsche Version …
Boltbrug
Vertical clearance when closed: 0.78 meter, width: 5.7 meter.
Number of openings: 1
Note: vertical clearance compared to Channel level (0.62 with respect to NAP), take possible water level changes into account.
Comment bridge management (NL): Zelfbediening.
VHF-Channel: channel not specifiedOn 20-04 (Eerste Paasdag)
Working days, between 08:30h and 11:30h ZELF
Working days, between 12:30h and 16:30h ZELF
Working days, between 17:30h and 20:00h ZELF
From 21-04 until 26-04
Holidays, monday, Tuesday, Wednesday, Thursday, Friday, between 08:30h and 11:30h ZELF
Holidays, monday, Tuesday, Wednesday, Thursday, Friday, between 12:30h and 16:30h ZELF
Holidays, monday, Tuesday, Wednesday, Thursday, Friday, between 17:30h and 20:00h ZELF
From 27-04 until 30-04
Working days, between 08:30h and 11:30h ZELF
Working days, between 12:30h and 16:30h ZELF
Working days, between 17:30h and 20:00h ZELF
From 01-05 until 31-10
All days, between 08:30h and 11:30h ZELF
All days, between 12:30h and 16:30h ZELF
All days, between 17:30h and 20:00h ZELF
From 01-11 until 19-04
Holidays, monday, Tuesday, Wednesday, Thursday, Friday, between 08:30h and 11:30h ZELF
Holidays, monday, Tuesday, Wednesday, Thursday, Friday, between 12:30h and 16:30h ZELF
Holidays, monday, Tuesday, Wednesday, Thursday, Friday, between 17:30h and 20:00h ZELF
Administrator
Gemeente Groningen
Postbus 30026
9700 RM Groningen
Administrator visiting address
Grote Markt 1 Groningen
Phone: 050-3679111
Data updated: 31 Maart 2025, 13:31 uur, all data comes directly from Rijkswaterstaat systems.