Editing Lowestoft (section)

===Gull Wing Bridge===
{{main|Gull Wing Bridge}}
The Gull Wing Bridge is a rolling [[bascule bridge]] that spans [[Lake Lothing]] in the town of Lowestoft, Suffolk, England, and is the largest bridge of its kind in the world to date.<ref>{{Cite magazine |last=Kanaris |first=Sotiris |date=2022-10-21 |title=Future of Bridges {{!}} Lowestoft's record-breaking, congestion-busting bascule bridge |url=https://www.newcivilengineer.com/the-future-of/future-of-bridges-lowestofts-record-breaking-congestion-busting-bascule-bridge-21-10-2022/ |access-date=2022-12-04 |magazine=New Civil Engineer |language=en}}</ref><ref name="gullwingsize">{{Cite web |date=2024-03-09 |title=Final stage of Gull Wing Bridge installation begins in Lowestoft |url=https://www.bbc.com/news/articles/c4nmer67nl5o |access-date=2024-03-11 |website=BBC News |language=en-GB}}</ref>

The bridge's surface consists of a two-lane [[single carriageway]] with pedestrian and cycle footpaths on both sides. The bridge maintains a speed limit of {{cvt|30|mi/h|km/h|-1}} for road traffic.<ref>{{cite web |title=Lake Lothing Third Crossing |url=https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/643633/Annex_A_Part4_.pdf |website=assets.publishing.service.gov.uk |access-date=23 November 2021 |page=4 }}</ref>

The bascule span of the bridge, which opens up southwards when required,<ref>{{cite web |title=Lake Lothing Third Crossing |url=https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/643633/Annex_A_Part4_.pdf |website=assets.publishing.service.gov.uk |access-date=23 November 2021 |page=5 }}</ref> lies around {{convert|12|m}} above water level during high tides,<ref>{{cite web |title=Lake Lothing Third River Crossing |url=https://www.broads-authority.gov.uk/__data/assets/pdf_file/0029/254396/Consultation-Lake-Lothing-Third-River-Crossing-pc140918.pdf |website=broads-authority.gov.uk |access-date=22 November 2021 |page=2 |date=2018}}</ref> with the space between the two main spans in the water being around {{convert|35|m}} - safety features fitted to the span walls limit shipping with a maximum width of {{convert|32|m}} to be able to pass through its channel.<ref>{{cite report|last=Horne|first=Stephen|title=Lake Lothing Third Crossing|url=https://gullwingbridge.co.uk/wp-content/uploads/2021/03/Navigation-Risk-Assessment.pdf|website=gullwingbridge.co.uk|date=February 2021|access-date=23 November 2021|publisher=Suffolk County Council|p=9}}</ref> The Northern Approach Viaduct (NAV) has ground clearance of around {{convert|6|m|adj=on}} over the railway line to {{rws|Lowestoft}} station for trains.<ref>{{cite report|last1=Surl|first1=Rob|last2=Baker|first2=Ian|last3=Diver|first3=Thomas|last4=Santhakumar|first4=R|title=Lake Lothing Third Crossing Business Case |url=https://infrastructure.planninginspectorate.gov.uk/wp-content/ipc/uploads/projects/TR010023/TR010023-000372-7.4%20-%20Outline%20Business%20Case.pdf|website=infrastructure.planninginspectorate.gov.uk|access-date=23 November 2021|date=June 2018|p=55}}</ref> Road access in the south is via Waveney Drive, while in the north it is via Peto Way and Denmark Road.<ref>{{cite web |title=The Lake Lothing (Lowestoft) Third Crossing Order 201[*] |url=https://infrastructure.planninginspectorate.gov.uk/wp-content/ipc/uploads/projects/TR010023/TR010023-000414-7.8%20-%20Mitigation%20Route%20Map.pdf |website=infrastructure.planninginspectorate.gov.uk |access-date=20 November 2021 |page=2 |date=June 2018}}</ref>