Bridges & Locks
- Moorman bridge
- Van Kinsbergen bridge
- Burgemeester Visser bridge
- Koopvaarders tide lock
- Kooy lock/Oostoever bridge
- Zeedok lock
- OTHER BRIDGES
- Den Helder Old Naval Dockyard Willemsoord
- Noordhollandskanaal/Balgzandkanaal/Kanaal Stolpen-Schagen
Moorman bridge
Over Het Nieuwe Diep (Buitenhaven – outer harbour)
navigable waterway from/to Koopvaarders tide lock
Contact: VHF 18 or +31(0)223-652129
Navigable width: 18.00 metres (under and above 18 metres)
Headroom (movable structure): 3.32 metres NAP (Normal Amsterdam Level)
Headroom (fixed structure): 3.15 metres NAP (Normal Amsterdam Level)
Out of service:
Monday to Thursday inclusive
07.05-08.10 hours
12.00-12.15 hours
12.45-13.00 hours
16.00-17.00 hours
Friday
07.05-08.10 hours
12.00-12.15 hours
12.45-13.00 hours

Photo: Moorman bridge
Van Kinsbergen bridge
Over Koopvaardersbinnenhaven (Koopvaarders inner harbour)
Contact: VHF 14 or +31(0)223-613955
Bridge is operated by Den Helder Municipal Port Authority. No permanent occupation
Navigable width: 17,00 metres
Out of service:
Monday to Thursday inclusive
07.05-08.10 hours
12.00-12.15 hours
12.45-13.00 hours
16.00-17.00 hours
Friday
12.00-12.15 hours
07.05-08.10 hours
12.45-13.00 hours
Photo: Van Kinsbergen bridge
Burg. Visser bridge
Over the navigable waterway to the Industriehaven (industrial harbour), Spoorhaven (railway harbour) and various marinas
Contact: VHF 22 or +31(0)223-613292
Bridge is remotely operated from the Koopvaarders tide lock
Navigable width: 17,00 metres
Headroom: 3.04 metres NAP (Normal Amsterdam Level)
Level difference: 5.90 metres NAP (Normal Amsterdam Level)
Operating times:
Monday to Thursday inclusive
00.00-07.05 hours
08.10-16.00 hours
17.00-24.00 hours
Friday
00.00-07.05 hours
08.10-24.00 hours
Saturday, Sunday and national holidays
00.00-24.00 hours
Photo: Burg. Visser bridge
Koopvaarders tide lock
Between Noordhollandskanaal and Buitenhaven (outer harbour) Den Helder (Het Nieuwe Diep)
Koopvaarders tide lock is only operable at water levels between +2.00 and –2.00 metres NAP ((Normal Amsterdam Level)
Vessel length: 85 metres (92 metres by special request)
Navigable width: 15.98 metres
Outer level: 6.40 metres under NAP
Inner level: 5.90 metres under NAP
Operating times:
all year round
00.00-24.00 hours

Photo: Koopvaarders tide lock
Kooy lock with Oostoever bridge
In/over Balgzandkanaal (navigable waterway Noordhollandskanaal-Amstelmeer)
Operating times:
16 April to 31 May inclusive:
Monday to Thursday inclusive
06.00-07.15 hours
08.00-16.00 hours
16.45-22.00 hours
Friday
06.00-07.15 hours
08.00-22.00 hours
Saturday, Sunday and national holidays
09.00-18.00 hours
1 June to 15 September inclusive:
Monday to Thursday inclusive
06.00-07.15 hours
08.00-16.00 hours
16.45-22.00 hours
Friday
06.00-07.15 hours
08.00-22.00 hours
Saturday, Sunday and national holidays
09.00-19.00 hours
16 September to 15 October inclusive:
Monday to Thursday inclusive
06.00-07.15 hours
08.00-16.00 hours
16.45-22.00 hours
Friday
06.00-07.15 hours
08.00-22.00 hours
Saturday, Sunday and national holidays
09.00-18.00 hours
16 October to 15 April inclusive:
Monday to Thursday inclusive
06.00-07.15 hours
08.00-16.00 hours
16.45-22.00 hours
Friday
06.00-07.15 hours
08.00-22.00 hours
Saturday, Sunday and national holidays
out of service

Photo: A view of the Kooy lock with the Oostoever bridge and the control centre in the background.
Zeedok lock
Between Buitenhaven (outer harbour) and the Natte Dok (wet dock) of the Old Naval Dockyard Willemsoord
Entrance to Willemsoord Marina
The lock and bridge are operated by Den Helder Municipal Port Authority
Contact: VHF 14 or +31(0)223-613955
Operating times:
April and May:
Monday to Friday inclusive:
08.00 -17.00 hours after agreement with Den Helder Municipal Port Authority
Saturday and Sunday
07.00-10.00 hours
18.00-21.00 hours
June to August inclusive:
Monday to Friday inclusive
08.00-10.00 hours
13.00-15.00 hours
18.00-22.00 hours
Saturday and Sunday
07.00-10.00 hours
13.00-15.00 hours
18.00-21.00 hours
September:
Monday to Friday inclusive:
08.00 -17.00 hours after agreement with Den Helder Municipal Port Authority
Saturday and Sunday
07.00-10.00 hours
18.00-21.00 hours
Vessel length: 32 metres (double gate operation)
Vessel length: 37 metres (single gate operation)
Navigable width: 20.10 metres
Outer level: 8 metres under NAP (Normal Amsterdam Level)
Inner level: 7.42 metres under NAP (Normal Amsterdam Level)

Photo: Zeedok lock
OTHER BRIDGES
Den Helder Old Naval Dockyard Willemsoord
The ferry docking bridges in the Maritieme Binnenhaven (maritime inner harbour) and the Werfkanaal (yard canal) and the Willemsoord bridge Weststraat are operated by the staff of Willemsoord BV
Contact: +31(0)223-616100
- Zuidstraat ferry docking bridge
Navigable width: 13.10 metres
Operating times:
1 May to 31 August inclusive - Monday to Sunday inclusive: 08.00-16.00 hours
1 September to 30 April inclusive - Monday to Friday inclusive: 08.00-16.00 hours

- Lifeboat Museum ferry docking bridge
Navigable width : 13.10 metres
Operating times:
1 May to 31 August inclusive - Monday to Sunday inclusive: 08.00-16.00 hours
1 September to 30 April inclusive - Monday to Friday inclusive: 08.00-16.00 hours

- Weststraat ferry docking bridge
Navigable width: 9.73 metres
Operating times:
1 May to 31 August inclusive - Monday to Sunday inclusive: 08.00-16.00 hours
1 September to 30 April inclusive - Monday to Friday inclusive: 08.00-16.00 hours

- Willemsoord bridge Weststraat
Navigable width: 11.00 metres
Operating times:
1 May to 31 August inclusive - Monday to Sunday inclusive: 08.00-16.00 hours
1 September to 30 April inclusive - Monday to Friday inclusive: 08.00-16.00 hours

- Boerenverdriet bridge
Between Koopvaarders inner harbour and the Natte Dok (wet lock)
Entrance to Willemsoord Marina
The bridge is operated by the staff of Willemsoord BV
Contact: +31(0)223-616100
Navigable width: ..... metres
Operating times:
1 May to 31 Augustus inclusive:
Monday to Friday inclusive
07.00-22.00 hours
Saturday to Sunday inclusive
07.00-21.00 hours
1 September to 30 April inclusive:
Monday to Friday inclusive
08.00-16.00 hours
At wind force 5 Bft and lower, the bridge remains open during operating hours
There is no waiting room by the quayside in front of the Boerenverdriet bridge

Noordhollandskanaal/Balgzandkanaal/Kanaal Stolpen-Schagen
The following bridges are also operated from the Kooy lock control centre:
Contact: VHF 20 or +31(0)223-521220
- Over the Noordhollandskanaal:
- Kooy bridge near Den Helder (headroom ± 7.00 metres)
- Floating bridge in ‘t Zand
- Bascule bridge near De Stolpen (headroom ± 4.50 metres)
- Floating bridge in St. Maartensvlotbrug
- Floating bridge in Burgervlotbrug
- Bridge in Schoorldam (headroom on the east side for motor yachts: 2.70 metres)
- Over the Balgzandkanaal:
- Balgzand bridge near Van Ewijcksluis
- Over the Kanaal Stolpen-Schagen:
- Stolper drawbridge
- Zijper drawbridge
These two bridges are operated on the spot
Bridge operation can be requested via VHF 20 or +31(0)223-521220
Railway bridge over the Noordhollandskanaal cannot be reached by mariphone Contactable by telephone on +31(0)72-5198557

Photo: Kooy bridge