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The bridge comprises two separate {{convert|450|ft|m|adj=on}} structures, for the eastbound and westbound carriageways. It is of reinforced concrete with five spans. An article in the ''[[New Civil Engineer]]'' published in June 2017 described it as "one of the most important bridges in Wales".<ref name="NCE">{{Cite web |last=Smale |first=Katherine |date=29 June 2017 |title=Bridges - River Usk a joint solution |url=https://www.newcivilengineer.com/archive/bridges-river-usk-a-joint-solution-29-06-2017/ |access-date=26 February 2024 |website=[[New Civil Engineer]]}}</ref> When travelling westbound, the bridges lead directly into the twin {{convert|1,200|ft|m|adj=mid|-long}} [[Brynglas Tunnels]]. Work commenced on both the bridge and the tunnels on 10 September 1962, two months after work commenced on the [[George Street Bridge (Newport)|George Street Bridge]] further downstream. The entire Newport bypass section of the M4 (junctions 24 to 28) finally opened in 1967. In 1989, two crossings were added to connect the M4 with the newly constructed junction 25a and the [[A4042 road|A4042]].<ref>[http://www.opsi.gov.uk/si/si1989/Uksi_19891847_en_1.htm M4/Newport-Shrewsbury Trunk Road A4042 (Relief of Brynglas Tunnels and Malpas Road) Order 1989]</ref> In 2017 the bridge underwent repairs to its thrust hinge joints, which allow the deck to flex and bend, but remained open to traffic.<ref name="NCE"/> ==References== {{Reflist}} {{River Usk crossings in Newport}} {{Authority control}} {{coord|51.60434|N|2.99073|W|source:placeopedia|display=title}} [[Category:Bridges completed in 1967]] [[Category:Bridges in Newport, Wales]] [[Category:Motorway bridges in Wales]] [[Category:M4 motorway|Usk bridge]] {{Wales-struct-stub}} {{UK-bridge-struct-stub}} </textarea><div class="templatesUsed"><div class="mw-templatesUsedExplanation"><p><span id="templatesused">Pages transcluded onto the current version of this page<span class="posteditwindowhelplinks"> (<a 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