List of Bridges in Wales

This list of bridges in Wales lists bridges of particular historical, scenic, architectural or engineering interest in Wales. Road and railway bridges, viaducts, aqueducts and footbridges are included.

Bridges are listed under the names used by Cadw, or the names most commonly used, which may be English or Welsh names. Where a bridge links two counties, it is listed under the first county alphabetically, unless associated by name with a settlement predominantly in the other county. The original Severn Bridge is not listed as it reaches land on the Gloucestershire side of the River Wye, the road crossing into Wales on the Wye Bridge.

Name
Date
Heritage
Status
Image Historic county Principal area Notes
Bangor Bridge, Bangor is y Coed 1663 !1663
1 !I
Flintshire Flintshire Spans River Dee.
Barmouth Bridge 1860 !1860s
2 !II*
Merionethshire Gwynedd Largely wooden railway viaduct, incorporating footbridge.
Bigsweir Bridge 1826 !1826-9
2 !II*
Monmouthshire Monmouthshire Spans the River Wye near St. Briavels, built as part of turnpike road between Chepstow and Monmouth.
Blaen y Cwm Viaduct
3 !II
Monmouthshire Blaenau Gwent Near Tredegar.
Blackpool Bridge 1825 !c.1825
2 !II*
Pembrokeshire Pembrokeshire Spans River Cleddau.
Britannia Bridge 1850 !1850-1972
3 !II
Anglesey Anglesey Originally tubular bridge, rebuilt after fire in 1970 caused by children.
SH541710
Bont Dolgadfan
3 !II
Montgomeryshire Powys On old drovers' route from Machynlleth to Welshpool.
Bont Fechan, Llanystumdwy
3 !II
Caernarfonshire Gwynedd Spans Afon Dwyfach.
Bont Newydd
3 !II
Caernarfonshire Gwynedd On the road to Aber Falls.
SH662720
Brecon, Usk Bridge
1 !I
Brecknockshire Powys Links Bridge Street with Watergate.
Bridgend, Old Bridge 1425 !c.1425
2 !II*
Glamorgan Bridgend Repaired after flood damage 1775, restored 2005, now footbridge.
Brynderwen Bridge 1852 !1852
2 !II*
Montgomeryshire Powys Across the River Severn, designed by Thomas Penson.
Builth Wells, Wye Bridge 1779 !1779
3 !II
Radnorshire Powys Widened 1925.
Buttington Bridge 1872 !1872
3 !II
Montgomeryshire Powys Across the River Severn.
Caerhowel Bridge 1858 !1858
3 !II
Montgomeryshire Powys Across the River Severn, designed by Thomas Penson.
Caergwrle Packhorse Bridge 1601 !17th century
2 !II*
Flintshire Flintshire Restored after damaged by floods, 2000.
Caerleon Bridge 1806 !1806
3 !II
Monmouthshire Newport Replaced earlier wooden bridge.
Caersws Bridge 1821 !1821
3 !II
Montgomeryshire Powys Across the River Severn, designed by Thomas Penson.
Cardiff Bridge 1931 !1931
3 !II
Glamorgan Cardiff Repeatedly rebuilt during 18-19th centuries following flood damage.
Cardigan Bridge 1726 !1726
2 !II*
Cardiganshire Ceredigion Widened and strengthened 1877-8.
Carmarthen Bridge 1937 !1937-8
3 !II
Carmarthenshire Carmarthenshire Replaced medieval six arch bridge.
Carmarthen, Pont King Morgan 2006 !2006 5 ! Carmarthenshire Carmarthenshire Cable-stayed bridge, footbridge.
Cefn Coed Viaduct 1866 !1866
2 !II*
Glamorgan Merthyr Tydfil Formerly carried the Brecon and Merthyr railway over the River Taff, now carries the Taff Trail.
Cefn Viaduct 1848 !1848
2 !II*
Denbighshire Wrexham Built by Thomas Brassey to carry the Shrewsbury and Chester Railway across the valley of the River Dee.
Celtic Gateway Bridge 2006 !2006 5 ! Anglesey Anglesey Footbridge linking the centre of Holyhead with the inner harbour ferry terminal and railway station.
Cenarth Bridge 1787 !1787
2 !II*
Carmarthenshire Carmarthenshire By William Edwards and his son David.
Chepstow, Old Wye Bridge 1816 !1816
1 !I
Monmouthshire Monmouthshire Designed by John Raistrick.
Chepstow Railway Bridge 1852 !1852
1 !II
Monmouthshire Monmouthshire Designed by Brunel, subsequently largely rebuilt on original piers and abutments.
Chirk Aqueduct 1801 !1801
2 !II*
Denbighshire Wrexham Carries the Llangollen Canal across the Ceiriog Valley, partly in Wales, 710 ft (220 m) long.
Chirk Viaduct 1846 !1846-8
2 !II*
Denbighshire Wrexham Adjacent to aqueduct, spans the Ceiriog Valley, partly in Wales, about 98 ft (30 m) high.
Cil-cewydd Bridge 1861 !1861
3 !II
Montgomeryshire Powys Across the River Severn, designed by Thomas Penson.
Cilgwrgan Bridge 1862 !1862
3 !II
Montgomeryshire Powys Across the River Severn.
Cleddau Bridge 1975 !1975 5 ! Pembrokeshire Pembrokeshire Box girder bridge, partly collapsed during construction in 1970, the last major bridge disaster in the UK.
Conwy Railway Bridge 1848 !1848
1 !I
Caernarfonshire Conwy Tubular bridge built by Robert Stephenson to a design by William Fairbairn, precursor of Britannia Bridge.
Conwy Suspension Bridge 1826 !1826
1 !I
Caernarfonshire Conwy Built by Thomas Telford.
Cook's Bridge, Rossett 1801 !19th century
3 !II
Denbighshire Wrexham Spans River Alyn.
Crickhowell Bridge 1706 !1706
1 !I
Brecknockshire Powys Widened and repaired following damage by floods in 1808.
Cynghordy Viaduct
2 !II*
Carmarthenshire Carmarthenshire Crosses the valley of the Afon BrĂ¢n.
Devil's Bridge 1001 !1075-1901
2 !II*
Cardiganshire Ceredigion Three bridges of 1075, 1753 and 1901, built one above the other, across deep gorge of Afon Mynach.
Dolgellau, Y Bont Fawr 1638 !1638
3 !II
Merionethshire Gwynedd Widened and extended.
Farndon Bridge 1345 !c.1345
1 !I
Denbighshire Wrexham Spans River Dee between Cheshire and Denbighshire. Little altered apart from abutments and flood arches.
Felindre Bridge, Llanidloes 1848 !1848
3 !II
Montgomeryshire Powys Across the River Severn, designed by Thomas Penson.
Flintshire Bridge 1998 !1998 5 ! Flintshire Flintshire Cable-stayed bridge spanning canalised section of River Dee.
Gelli Bridge 1790 !18th century
3 !II
Pembrokeshire Pembrokeshire At confluence of Eastern Cleddau and Afon Syfynwy.
Halfway Bridge
3 !II
Caernarfonshire Gwynedd Spans Afon Ogwen.
Hawarden Bridge 1889 !1887-9 Flintshire Flintshire Swing bridge, now welded shut, carries railway across River Dee.
Hengoed Viaduct
2 !II*
Glamorgan Caerphilly Crosses the River Rhymney, now cycle/footpath.
Kittlehill Packhorse Bridge
3 !II
Glamorgan Swansea Crosses Burry Pill, Gower Peninsula.
Knucklas Viaduct 1865 !1865
2 !II*
Radnorshire Powys Thirteen arches.
Leckwith Old Bridge
2 !II*
Glamorgan Cardiff Across the River Ely.
Llanbedr Bridge
3 !II
Brecknockshire Powys Spans Grwyne Fechan.
Llandderfel, Pont Fawr
2 !II*
Merionethshire Gwynedd Spans the River Dee.
Llandeilo Bridge 1845 !1845-7
2 !II*
Carmarthenshire Carmarthenshire Replaced medieval seven arch bridge.
Llandeilo Railway Bridge
3 !II
Carmarthenshire Carmarthenshire Lattice girder bridge.
Llandinam Bridge 1843 !1843
2 !II*
Montgomeryshire Powys Across the River Severn, designed by Thomas Penson.
Llandrinio Bridge 1775 !1775
1 !I
Montgomeryshire Powys Strengthened to carry modern traffic in 1977.
Llanellen Bridge 1821 !1821
3 !II
Monmouthshire Monmouthshire Built by John Upton of Gloucester.
Llanfechain Bridge
3 !II
Montgomeryshire Powys Over the River Cain.
Llangollen Bridge 1501 !16-20th century
1 !I
Denbighshire Denbighshire Originally built by Henry I, reconstructed in 1346, replaced 16th century, widened 1873 and 1968.
Llangynidr Bridge 1501 !16th century
1 !I
Brecknockshire Powys Spans the River Usk.
Llanidloes, Long Bridge
3 !II
Montgomeryshire Powys Across the River Severn, designed by Thomas Penson.
Llanidloes, Short Bridge
3 !II
Montgomeryshire Powys Designed by Thomas Penson.
Llandysul Bridge
3 !II
Cardiganshire Ceredigion Replaced three arch bridge partly demolished by Royalists during Civil War.
Llanrwst, Pont Fawr 1636 !1636
1 !I
Denbighshire Conwy Designed by Inigo Jones.
Llawhaden Bridge
2 !II*
Pembrokeshire Pembrokeshire Repaired 1809.
Llechryd Bridge 1601 !17th century
2 !II*
Cardiganshire Ceredigion Damaged by floods 2005.
Loughor Railway Viaduct 1860 !c.1860
3 !II
Carmarthenshire Carmarthenshire Originally timber, engineered by Brunel.
Machynlleth Bridge (Pont ar Dyfi) 1805 !1805
2 !II*
Montgomeryshire Powys Petition for replacement submitted 2011, following repeated damage by vehicles and floods.
Menai Suspension Bridge 1826 !1826
1 !I
Anglesey Anglesey Designed by Thomas Telford.
Merthyr Mawr, New Bridge 1827 !1827
2 !II*
Glamorgan Bridgend Inscription records the bridge was built at the expense of the Right Honourable Sir John Nicholl in 1827.
Merthyr Mawr, New Inn Bridge 1401 !15th century
2 !II*
Glamorgan Bridgend Built with holes in the parapets through which farmers pushed their sheep for their annual dip.
Monmouth, Monnow Bridge 1272 !1272
1 !I
Monmouthshire Monmouthshire The only surviving medieval fortified river bridge with gateway in Great Britain, gatehouse added 14th century.
Monmouth, Wye Bridge 1617 !c.1617
3 !II
Monmouthshire Monmouthshire Widened 1879.
Monmouth Viaduct 1861 !1861 Monmouthshire Monmouthshire Coleford, Monmouth, Usk & Pontypool Railway over River Wye. Closed 1964.
Nevern Bridge
3 !II
Pembrokeshire Pembrokeshire Spans Afon Nyfer.
Newcastle Emlyn Bridge
2 !II*
Carmarthenshire Carmarthenshire Spans the River Teifi.
Newport Bridge 1927 !1927
3 !II
Monmouthshire Newport Replaced bridge of 1800.
Newport, City Bridge 2004 !2004 5 ! Monmouthshire Newport Received Structural Steel Design Award in 2005.
Newport, City Footbridge 2006 !2006 5 ! Monmouthshire Newport Received George Gibby Award 2007.
Newport, George Street Bridge 1964 !1964
2 !II*
Monmouthshire Newport First cable-stayed bridge in the United Kingdom.
Newport Transporter Bridge 1906 !1906
1 !I
Monmouthshire Newport Designed by Ferdinand Arnodin, one of only 8 surviving transporter bridges in the world.
Newtown, Long Bridge 1827 !1827
3 !II
Montgomeryshire Powys Across the River Severn, designed by Thomas Penson.
Pant-y-Goitre Bridge 1821 !c.1821
2 !II*
Monmouthshire Monmouthshire Attributed to John Upton.
Penmachno, Roman Bridge
3 !II
Caernarfonshire Conwy Medieval packhorse bridge.
Penmaenpool Bridge 1879 !1879
3 !II
Merionethshire Gwynedd Wooden tollbridge across River Mawddach.
Pont Aberffraw 1731 !1731
3 !II
Anglesey Anglesey No longer in use for vehicles.
Pont Allt-y-Cafan 1841 !c.1841
2 !II*
Carmarthenshire Carmarthenshire Spans the River Teifi.
Pont Beddgelert
3 !II
Caernarfonshire Gwynedd Spans River Colwyn.
Pont Briwet 1860 !1860
3 !II
Merionethshire Gwynedd Largely wooden railway viaduct, incorporating single-track road. Approval granted for demolition, February 2012.
Pont Crafnant
3 !II
Merionethshire Gwynedd Spans Afon Artro east of Pentre Gwynfryn.
Pont Cothi, Abergorlech 1601 !17-18th century Carmarthenshire Carmarthenshire Inscription, "this bridge was mended by John Jones 1794".
Pont Carrog
2 !II*
Merionethshire Denbighshire Spans River Dee.
Pont Cysylltau 1690 !17-18th century
1 !I
Denbighshire Denbighshire Between Trevor and Froncysyllte.
Pontcysyllte Aqueduct 1805 !1805
1 !I
Denbighshire Wrexham Built by Thomas Telford and William Jessop, UNESCO World Heritage Site.
Pont Dysynni
3 !II
Merionethshire Gwynedd Modern bridge alongside.
Ponterwyd, Hen Bont 1701 !18th century
3 !II
Cardiganshire Ceredigion Close to Georgian Ponterwyd Chapel.
Pont Fadog 1726 !1726
3 !II
Merionethshire Gwynedd Carries old drover's road across Afon Ysgethin.
Pont Felin-y-ffridd
3 !II
Montgomeryshire Powys Carries the road from Machynlleth over the Afon Dulas.
Pont Gethin 1879 !1879
2 !II*
Caernarfonshire Gwynedd Railway viaduct spanning the Lledr Valley.
Pont Gogoyan 1771 !18th century
2 !II*
Cardiganshire Ceredigion Spans River Teifi near Llanddewi Brefi.
Pont Llandeilo-yr-ynys
2 !II*
Carmarthenshire Carmarthenshire Spans River Towy near Nantgaredig.
Pont Llanelltyd
2 !II*
Merionethshire Gwynedd Near Dolgellau, now footbridge.
Pont Llanfair
3 !II
Cardiganshire Ceredigion Spans River Teifi at Llanfair Clydogau.
Pont Llanio Cardiganshire Ceredigion Spans River Teifi near Llanddewi Brefi.
Pont Llanychaer
3 !II
Pembrokeshire Pembrokeshire Spans River Gwaun.
Pont Llwyncyntefin
3 !II
Brecknockshire Powys Spans River Usk.
Pont Marquis, Bodorgan
3 !II
Anglesey Anglesey Spans Afon Cefni, adjoining site of WWII POW camp.
Pont Minllyn 1601 !17th century
3 !II
Merionethshire Gwynedd Built by the local rector, Dr. John Davies.
Pont Pen-y-benglog
3 !II
Caernarfonshire Gwynedd Spans Afon Ogwen at west end of Llyn Ogwen, span of packhorse bridge still visible.
Pontrhydyfen Aqueduct
3 !II
Glamorgan Neath Port Talbot Now part of pedestrian and cycle track.
Pontsarn Viaduct
2 !II*
Brecknockshire Merthyr Tydfil Crosses the Afon Taff Fechan.
Pont Scethin 4 !Scheduled Monument Merionethshire Gwynedd Remote packhorse bridge on old coach route from London to Harlech.
Pont y Cafnau 1793 !1793
2 !II*
Glamorgan Merthyr Tydfil World's earliest surviving iron railway bridge, built for a tramway to the Cyfarthfa Ironworks.
Pont y Cim 1612 !1612
3 !II
Caernarfonshire Gwynedd Near Pontllyfni: an inscribed stone on the bridge reads "Pont Y Cim, Catring Bwkle hath give 20 povends to mack this brighe. 1612".
Pont y Gromlech
3 !II
Caernarfonshire Gwynedd In Llanberis Pass.
Pont y Gwaith 1811 !1811
3 !II
Glamorgan Merthyr Tydfil "Bridge of the works" - referring to nearby ironworks.
Pont-y-Pair, Betws y Coed 1468 !1468
2 !II*
Caernarfonshire Conwy "Bridge of the cauldron".
Pontypridd, Old Bridge 1756 !1756
1 !I
Glamorgan Rhondda Cynon Taf Built by William Edwards, at 140 ft (43 m) the longest single span bridge in Great Britain for 40 years.
Pont y Werin 2010 !2010 5 ! Glamorgan Vale of Glamorgan Bascule bridge between Cardiff International Sports Village and Penarth.
Porthkerry Viaduct
3 !II
Glamorgan Vale of Glamorgan In country park.
Queensferry, Jubilee Bridge 1926 !1926
3 !II
Flintshire Flintshire Bascule bridge, no longer opens. Also known as the Blue Bridge.
St. Catherine's Bridge
3 !II
Pembrokeshire Pembrokeshire Spans Western Cleddau.
Second Severn Crossing 1996 !1996 Monmouthshire Monmouthshire 3.19 mi (5.13 km) long.
Stackpole, Eight-Arch Bridge
2 !II*
Pembrokeshire Pembrokeshire On the Stackpole Estate, owned and maintained by the National Trust.
Usk Bridge 1746 !1746-52
2 !II*
Monmouthshire Monmouthshire Designed by William Edwards, enlarged 1836.
Waterloo Bridge, Betws-y-Coed 1815 !1815
1 !I
Caernarfonshire Conwy Early cast-iron bridge, designed by Thomas Telford.
Wye Bridge 1966 !1966
3 !II
Monmouthshire Monmouthshire Approach to the original Severn Bridge, 1,340 ft (410 m) long, strengthened in 1987.

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