The Millennium Bridge is a pedestrian

Pedestrian

A pedestrian is a person traveling on foot, whether walking or running. In some communities, those traveling using roller skates or skateboards are also considered to be pedestrians. In modern times, the term mostly refers to someone walking on a road or footpath, but this was not the case...

 bridge spanning the River Liffey

River Liffey

The Liffey is a river in Ireland, which flows through the centre of Dublin. Its major tributaries include the River Dodder, the River Poddle and the River Camac. The river supplies much of Dublin's water, and a range of recreational opportunities.-Name:The river was previously named An Ruirthech,...

 in Dublin, joining Eustace Street in Temple Bar

Temple Bar, Dublin

Temple Bar is an area on the south bank of the River Liffey in central Dublin, Ireland. Unlike the areas surrounding it, Temple Bar has preserved its medieval street pattern, with many narrow cobbled streets. It is promoted as "Dublin's cultural quarter" and has a lively nightlife that is popular...

 to the north quays.

Installed in December 1999, to commemorate the new millennium (2000), the span was actually constructed 80 km from Dublin - in Carlow

Carlow

Carlow is the county town of County Carlow in Ireland. It is situated in the south-east of Ireland, 84 km from Dublin. County Carlow is the second smallest county in Ireland by area, however Carlow Town is the 14th largest urban area in Ireland by population according to the 2006 census. The...

 - as a portal frame structure made up of a slender steel truss

Truss

In architecture and structural engineering, a truss is a structure comprising one or more triangular units constructed with straight members whose ends are connected at joints referred to as nodes. External forces and reactions to those forces are considered to act only at the nodes and result in...

 and resting on reinforced concrete

Reinforced concrete

Reinforced concrete is concrete in which reinforcement bars , reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867. The term Ferro Concrete refers only to concrete that is...

 haunches.

The bridge was designed by Howley Harrington Architects with Price & Myers as Consulting Engineers. The concrete base and steel structure for the bridge were provided by two Carlow firms: Formwork 2000+ and Thompson Engineering respectively.

The Millennium Bridge is neighbour to the much older (and well known) pedestrian Ha'penny Bridge

Ha'penny Bridge

The Ha'penny Bridge , known later for a time as the Penny Ha'penny Bridge, and officially the Liffey Bridge, is a pedestrian bridge built in 1816 over the River Liffey in Dublin, Ireland...

 to the east, and Grattan Bridge

Grattan Bridge

Grattan Bridge is a road bridge spanning the River Liffey in Dublin, Ireland, and joining Capel Street to Parliament Street and the south quays.-History:...

to the west.