This list of bridges in the Republic of Ireland lists bridges of particular historical, scenic, architectural or engineering interest. Road and railway bridges, viaducts, aqueducts and footbridges are included.
This table presents the structures with spans greater than 100 meters (non-exhaustive list).
| Name | Irish | Span | Length | Type | Carries Crosses | Opened | Location | County | Ref. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
 | 1 | River Suir Bridge | 230 m (750 ft) | 465 m (1,526 ft) | Cable-stayed Composite steel/concrete deck, concrete pylon 230+91+66+42 | 2009 | Waterford 52°16′44.7″N7°09′01.2″W / 52.279083°N 7.150333°W | Waterford Kilkenny | [S 10] [15] | ||
 | 2 | Rose Fitzgerald Kennedy Bridge | 230 m (750 ft)(x2) | 887 m (2,910 ft) | Extradosed Concrete box girder deck, 3 concrete pylons 95+2x230+95 | 2020 | New Ross – Glenmore 52°21′23.9″N6°59′36.5″W / 52.356639°N 6.993472°W | Wexford Kilkenny | [16] [17] | ||
 | 3 | Mary McAleese Boyne Valley Bridge | 170 m (560 ft) | 352 m (1,155 ft) | Cable-stayed Composite steel/concrete deck, concrete pylon 170+42 | 2003 | Drogheda 53°43′07.1″N6°23′48.8″W / 53.718639°N 6.396889°W | Louth Meath | [S 11] [18] | ||
 | 4 | William Dargan Bridge | 108 m (354 ft) | 185 | Cable-stayed Composite steel/concrete deck, concrete pylon 108+21 | 2004 | Dundrum 53°17′35.3″N6°14′45.9″W / 53.293139°N 6.246083°W | Dún Laoghaire–Rathdown | [S 12] [19] |
| Name | Locality | Date | Notes |
|---|---|---|---|
| Anna Livia Bridge | Chapelizod | 1753 | Spans the River Liffey |
| Annesley Bridge | Fairview | 1926 | Spans the River Tolka |
| Ball's Bridge | Ballsbridge | 1791 | Spans the River Dodder |
| Broom Bridge | Cabra | Crosses the Royal Canal | |
| Butt Bridge | 1932 | Spans the River Liffey | |
| Classon's Bridge | Milltown and Dartry | 1790s | Spans the River Dodder |
| Clonskeagh Bridge | Clonskeagh | Spans the River Dodder | |
| Dublinia Arch | Dublinia | Connects Dublinia and Christ Church Cathedral | |
| East-Link | North Wall (Dublin) and Ringsend | 1984 | Officially the Tom Clarke Bridge [20] Spans the River Liffey |
| Farmleigh Bridge | Strawberry Beds | 1870s | Spans the River Liffey |
| Father Mathew Bridge | 1816 | Spans the River Liffey | |
| Frank Sherwin Bridge | 1982 | Spans the River Liffey | |
| Grattan Bridge | 1750s | Spans the River Liffey | |
| Ha'penny Bridge | 1816 | Cast-iron footbridge over the River Liffey | |
| Islandbridge | Phoenix Park | 1793 | Spans the River Liffey |
| James Joyce Bridge | 2003 | Spans the River Liffey | |
| Liffey Railway Bridge | Heuston | 1877 | Wrought iron Box truss railway bridge over the River Liffey |
| London Bridge | 1857 | Spans the River Dodder | |
| Loopline Bridge | 1891 | Wrought iron railway bridge over the River Liffey | |
| Mellows Bridge | 1764 | Spans the River Liffey | |
| Millennium Bridge | 1999 | Steel pedestrian bridge over the River Liffey | |
| Milltown Bridge | Milltown | Spans the River Dodder | |
| New Bridge | Spans the River Dodder | ||
| Nine Arches Bridge | Milltown | 1859 | Light Rail bridge over the River Dodder |
| O'Connell Bridge | 1794 | Spans the River Liffey | |
| O'Donovan Rossa Bridge | 1818 | Spans the River Liffey | |
| Ringsend Bridge | 1812 | Spans the River Dodder | |
| Rory O'More Bridge | 1859 | Iron bridge over the River Liffey | |
| Rosie Hackett Bridge | 2014 | Concrete bridge over the River Liffey | |
| Samuel Beckett Bridge | Docklands | 2009 | Cable stayed bridge over the River Liffey |
| Seán Heuston Bridge | 1828 | Cast iron bridge over the River Liffey | |
| Seán O'Casey Bridge | 2005 | Pedestrian swingbridge over the River Liffey | |
| Talbot Memorial Bridge | 1978 | Spans the River Liffey | |
| William Dargan Bridge | Dundrum | 2004 | Cable stayed Light Rail bridge over the R112 and R117 roads and the River Slang |
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| Structural types |
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| Lists of bridges by type | ||
| Lists of bridges by size | ||
| Additional lists | ||
| Related | ||
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29 Martello towers and battery installations were constructed or partially constructed in the Greater Dublin Area between 1803 and 1808. The towers were intended to act as a deterrent against a foreign invasion by Napoleon and his French Armies as well as being used as general lookout posts. In later years, towers were also used as coast guard stations, lookout stations to prevent smuggling and as other general purpose military installations by various British and Irish defence forces.
