Bridges
In Sonderborg Municipality there are four major bridges.
- King Christian the X's Bro
- Egernsund bridge
- Munkemøllebroen
- Alssund Bridge
The municipality is responsible for the first three bridges, while the Alssund Bridge is state-owned and managed by the Road Directorate.
- When does King Christian the X's Bridge open?
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You can sail under the bridge:
- 1 April - 31 October in the period 06.45 - 21.45
- 1 November - 31 March in the period 06.45 - 15.45
The bridge can be opened for passage every hour: the first time at 06.45, last time at 21.45 pm in the summer period and 15.45 in the winter period (every hour on the 45th minute). On weekdays there is no opening at 07.45 due to curfew.
Ships which have expressed a desire to cross can normally expect to cross the bridge within the opening hours stated in "Den Danske Havnelods". The next opening is shown in the display on the bridge pillar.
For passage outside the mentioned time period, you can contact the bridge on tel. +45 88 72 41 10 or VHF channel 16.
When the bridge is closed, the height to the lower edge of the bridge's girders in the folding section and the arch section is approx. 4,5 m. In the narrower bridge section west of the folding section, the passage height is approx. 6,0 m.
During maintenance work on the bridge it may be closed to navigation. Therefore, always remember to check for any changes on "Den Danske Havnelods".
- When does the Egernsund Bridge open?
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You can sail under the bridge:
- 1 April - 31 October in the period 06.15 - 22.15
- 1 November - 31 March in the period 06.15 - 15.15
The passage can be opened every hour: the first time at 06.15 and last time at 22.15 in the summer period and at 15.15 in the winter period.
Ships which have expressed a desire to cross can normally expect to cross the bridge within the opening hours stated in "Den Danske Havnelods". The next opening is shown in the display on the bridge pillar.
For passage outside the mentioned time period, you can contact the bridge on tel. +45 88 72 41 10 or VHF channel 16.
With a closed bridge, the free height at daily water to the lower edge in the folding section is approx. 6,0 m. In other subjects, the passage height is approx. 4,5 m.
During maintenance work on the bridge it may be closed to navigation. Therefore, always remember to check for any changes on "Den Danske Havnelods".
Night work on the Egernsund Bridge on March 26, April 2 and April 8-9
Due to maintenance work on the folding cellars on the Egernsund Bridge, the bridge is completely closed and cannot be passed by either road traffic, cycling or walking for two nights in weeks 13 and 14:
- Wednesday, March 26 at 22.00:27 PM to Thursday, March 05.00 at XNUMX:XNUMX AM
- Wednesday, April 2nd at 22.00:3 PM to Thursday, April 05.00rd at XNUMX:XNUMX AM
In week 15 there are two nights when cars are banned. Pedestrians, cyclists and road users with smaller vehicles less than one meter wide can use a small, steep footbridge:
- Tuesday, April 8th at 22.00:9 PM to Wednesday, April 05.00th at XNUMX:XNUMX AM
- Wednesday, April 9th at 22.00:10 PM Thursday, April 05.00th at XNUMX:XNUMX AM
The closure is due to the bridge having to be open during the work.
For weeks 13 and 14 it is possible to get to the other side by contacting Dybbøl Tourist on tel. 25 57 49 25. The taxi picks up and drops off passengers at Ulsnæs Centret at Sundnæs and at the parking lot south of Egernsundbroen at Havnevej. Sønderborg Municipality pays for the transport. It is not possible to be picked up/dropped off at other locations.
- Is there a weight limit on the bridges?
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There is a weight limit of 10 tonnes axle load on many of the municipality's bridges and structures. This is due to the load-bearing capacity of the bridges.

Contact us
Facilities and Infrastructure
Lille Rådhusgade 7
6400 Sønderborg
Phone hours:
Monday - Wednesday: 10.00 am - 15.00 pm
Thursday: 10.00 am - 17.00 pm
Friday: 10.00 am - 14.00 pm
Outside opening hours, you can call the Joint Security Center at tel. +45 88 72 41 10.