McMahon Bridge Replacement
Client: Dublin City Council
Engineer: Mott McDonalds EPO
Architect: Paul Arnold Architects
Value: c. €2.9m
Period: August 2006 - September 2007


SIAC's work commenced in August 2006 and was completed in September 2007. The scope of the contract included the replacement of the existing steel bridge with a new RC bridge while keeping two-way traffic at all times.

The first phase of the works involved the reinforcing of the existing roofpath to take traffic loading and the installation of a temp footbridge. The second phase was the construction of half the bridge starting with rock bearings piles anchored in the canal bed rock right through to granite paving on the approaches.. The third phase was the construction of the second half of the bridge and the installation of two 40m spanning stainless steel Arches on each side of the bridge.