Lowestoft Harbour, Mutford Lock
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39 34 MUTFORD LOCK, Mutford Road Bridge (bascule) and Carlton Railway Bridge (swing bridge; aka. Mutford Rail Bridge) Mutford “Southern Gateway to The Broads” at Oulton Broad encompasses a multitude of organisations. Approached from the east through Lake Lothing which is controlled by Associated British Ports (ABP) as harbour authority, vessels first encounter the railway swing bridge, which is owned and controlled by Network Rail (NWR) as one of only eight such bridges on the whole national network. While the railway bridge across Lake Lothing (the Carlton Railway Bridge) on the Lowestoft-Ipswich line is located parallel to the A1117 road bridge, it operates independently of the road bridge. half-gates operating in pairs such that when freshwater is It is designed for swinging, however there are ongoing highest on the Broad side, one pair acts as the dam and the severe issues which require a long-term solution and the other as its locking partner, with the other two ‘downhill’ pairs bridge is currently prevented from swinging, potentially redundant; once in each half-tide cycle the opposite saltwater throughout the whole 2021 season, as well as delays to is the higher and the locking arrangement has to be reversed. trains which are restricted to <5mph. Additionally, since freshwater tidal range is considerably Within the small tidal pool between rail and road bridges smaller than the saltwater range, the pairs pointing towards sits a short 35m waiting pontoon without land access; this the saltside are about 0.8m taller than the other pairs. normally permits craft having passed through the swing, to Thus the freshwater of Oulton Broad is retained to maintain moor while awaiting the bascule road bridge to open. the navigation, and in converse potential flooding is The Mutford Road Bridge, a single-span bascule, is prevented of saltwater from Lake Lothing destroying the owned by Suffolk County Council Highways (SCC(Hw)), but independent landward habitat. operates under contract with East Suffolk Council (ESC) by The passage is not available to hire craft; it has safe usable the same Oulton Broad Yacht Station personnel based there dimensions of 22m x 6.5m. and who also operate Mutford Lock. A pontoon wait may Vessels up to 2m draught will be able to enter the passage at be unexpectedly long since this bridge is operated in synch MLWS, but craft drawing in excess of 1.5m may find difficulty with a railway level-crossing some 400m northward on the in crossing Oulton Broad near low water. Lowestoft-Norwich line; this in order to minimise road traffic Oulton Broad tide is approximately 4hrs after Gt. Yarmouth hold-up. with a mean range of 0.7m, while the Lake Lothing mean Mutford Lock pairs pointing towards the saltside are about 0.8m taller than the other pairs.Mutford Lock is owned by the Broads Authority (BA) and range is ~1.8m. Thus operatedthe freshwater under of contract Oulton Broadwith ESC, is retained again byto maintainthe same the navigation, Mutford Road Bridge (A1117; Bascule) In the season, given 24 hours notice by VHF or telephone, and inyacht converse station potential staff. flooding is prevented of saltwater from Lake Carlton Railway Bridge (Swing-Bridge; aka. Mutford Rail Bridge) Lothing destroying the independent landward habitat. staff will normally remain until 19:30 (this allows inbound Aerial of Lowestoft Harbour – courtesy of Mike Page – www.norfolkskyview.flyer.co.uk Double Back-to-Back Lock craft from North Sea to use the 18:00 Lowestoft Bridge Mutford “Southern Gateway to The Broads” at Oulton Broad encompasses a multitude of organisations:– opening). Approached from the east through Lake Lothing which is controlled by High Water Low Water Mutford Road Bridge has a clearance of 2.4m MHWS and Associated British Ports (ABP) as harbour authority, vessels first encounter 4.2m MLWS. the Railway Swing Bridge which is owned and controlled by Network Rail (NWR) as one of only 8 such bridges on the whole national network. (Reversible Locking Directions) Craft intending to travel into the Broads system should note While Carlton Railway Bridge on the Lowestoft-Ipswich line is located The lock is unique within the British Isles as the only the further constraints on air draught fixed bridges of parallel to the A1117 Road Bridge, it operates independently of the road The passage is not available to hire craft; <7.3m (Haddiscoe), <2.4m (St.Olaves) and <3.6m (Beccles). bridge. it hasoperating safe usable double-back-to-back dimensions 22m x 6.5m arrangement. There are eight ✭ It is designed for swinging, however there are ongoing severe Vessels up to 2m draught will be able to enter the passage at MLWS, but issues which require long-term solution and the bridge is currently craft drawing in excess of 1.5m may find difficulty in crossing Oulton Broad prevented from swinging, potentially throughout the whole 2021 near low water. season, as well as delays to trains which are restricted to <5mph. Oulton Broad tide is approximately 4hrs after Gt.Yarmouth with a mean Within the small tidal pool between rail and road Bridges sits a short 35m range of 0.7m, while the Lake Lothing mean range is ~1.8m. waiting pontoon without land access; this normally permits craft having passed through the Swing, to moor while awaiting the bascule road bridge April to October to open. Opening Times 09.00 – 12.00, 13.00 – 17.00 The Mutford Road-Bridge, a single-span bascule, is owned by Suffolk Book 24 November to March County Council Highways (SCC(Hw)), but operated under contract with East hours Suffolk Council (ESC) by the same Oulton Broad Yacht Station personnel in advance 08.00 – 11.00 based there and who also operate the Lock. A pontoon wait may be unexpectedly long since this bridge is operated in synch with a railway VHF Channel 73 Callsign “Mutford” or “Oulton” or Telephone level-crossing some 400m northward on the Lowestoft-Norwich line; this in Contact 01502-531778 (Lock), 01502-574946 (Yacht Station), order to minimise road traffic holdup. 01502-562 111 (East Suffolk Council) Mutford Lock is owned by the Broads Authority (BA) and operated under Cost Aerial £13of Mutford per vessel Lock tofor Cartlon each lockRailway transit Bridge or –day courtesy return .of Mike Page – www.mike-page.co.uk contract with ESC, again by the same Yacht Station staff. If any vessel gives notice by VHF/telephone before 16:00 on weekends or The lock is unique within the British Isles as the only operating Double- Public Holidays then staff will normally remain until 19:30 (this allows back-to-back arrangement. There are eight half-gates operating in pairs inbound craft from North Sea to use the 18:00 Lowestoft Bridge opening) such that when freshwater is highest on the Broad side, one pair acts as the Mutford Road Bridge has a clearance of 2.4m MHWS and 4.2m MLWS. dam and the other as its locking partner, with the other two ‘downhill’ pairs redundant; once in each half-tide cycle the opposite saltwater is the higher Craft intending to travel into the Broads system should note the further and the locking arrangement has to be reversed. Additionally, since constraints on air draught fixed bridges of <7.3m (Haddiscoe), <2.4m freshwater tidal range is considerably smaller than the saltwater range, the (St.Olaves) and <3.6m (Beccles). Aerial of Mutford Lock – courtesy of Mike Page – www.norfolkskyview.flyer.co.uk 35 MUTFORD LOCK OPENINGS (24hr advance booking is always advised. For late openings and Bank Holidays advance booking is essential.) Season Openings April to October: 08:00 – 18:00 (LOCK); 09:00 – 12:00 & 13:00 – 17:00 (BRIDGE); 7 days per week but Bank Holidays are 24hr advance booking only. Winter Openings November to March: 08.00 – 12.00 (LOCK); 09:00 – 12:00 (BRIDGE); not on Bank Holidays Contact: VHF Channel 73, callsign “Mutford” or “Oulton” or call 01502-531778 (LOCK), 01502-574946 (YACHT STATION), 07572-039 790 (HOME STAFF; please respect timing) Cost: £13 single transit (includes same-day return) LOWESTOFT HARBOUR International Collision Regulations apply to all craft, who obtaining clearance from Harbour control, and must obey the are requested to make contact with Harbour Control on VHF exit signals on the east side of the Marina entrance. Channel 14 or by phone 01502 572286. Sailing vessels and Lowestoft Harbour Bridge Small craft passing under (if under 20m) other vessels must not impede larger vessels the bridge have a clearance at mean high water springs of only able to navigate within a narrow channel. All vessels 2.2m at the centre of the arch. must observe the International Port Traffic Signals located This road bridge will not open during rush hours and prior on the South Pier extension and in the Yacht Marina – three arrangement is required with Lowestoft Harbour Control on vertical red lights: vessels shall not proceed; green, white, VHF Channel 14. There is a Waiting Pontoon in the Trawl green vertical lights: vessels may proceed with specific Dock. Pleasure craft may be required to form ‘flotillas’ to consent; this applies to both entering and leaving harbour pass under the bridge. See the port’s Notices to Mariners on its website www. Bridge openings may take place at 10 specified times abpmarine.co.uk/Marine/Short_Sea_Ports/Lowestoft/ (11 at weekends) every 24 hour-period, subject to 20 Notices_to_Mariners/ (view of harbour is shown below). minutes notice. Navigation in the bridge channel is 39 Visitor moorings are available at the Royal Norfolk and Suffolk controlled on Channel 14 and by red and green-white- Yacht Club Marina.