King & Moffatt

The James Joyce Road Bridge spans the River Liffey between Ellis Quay on the North of the river and Usher’s Island on the South. The bridge consists of a single span composite steel concrete deck, suspended from a pair of inclined steel tied arches.

The main longitudinal deck elements consist of constant depth box sections, which vary in width, being greatest at mid span. Transverse girders span between, and cantilever outside the longitudinal girders. The overall span of the bridge is 41 metres. The maximum width of the bridge is 33 metres. The bridge accommodates four lanes of traffic together with pedestrian walkways and seating areas.

King & Moffatt Role in Job Completion:

Due to the nature of the structure King & Moffatt had to work very closely with the Design Team during the installation process to ensure that all electrical components were installed in such away that they did not interfere with appearance of the Bridge. This involved meeting with the bridge manufacturer’s (Harland & Wofle) at their facility in Belfast, to design the cable routes and ensure that the correct housings were in place for the lights to allow the correct visual effect.

To facilitate the Main Contractor we also had to design the stainless steel housing for the lights along the road section of the bridge, these were installed in such away that maintenance could be carried out with ease for the end user.

As the electrical installation was carried out after the bridge was put in place (spanning across the river Liffey) Health & Safety was a very important factor. This project was completed to the Main Contractors satisfaction and within Budget.