a swing link style, detailed to allow longitudinal movement. This movement is a combination of thermal and geometric due to articulation of the suspension system. Materials used in the bearings and other ferric components include cast and wrought iron and also cast and wrought steel. In addition, the bridge consists of a number of other features of a secondary nature. This includes lighting which illuminates the towers. These are in vandal resistant boxes mounted outside the approach parapets. Downpipes and drainage was installed to remove water ponding in 1974 works. Galvanised wire mesh grillesare provided to prevent bird access to the suspension cable saddle areas on each tower. Security grilles are provided to prevent entry to the anchor pit drainage tunnels. A mesh grille was added as a nut catcher at the end of each steel truss diagonal. A maintenance gantry is suspended from the underside of the bridge. The gantry is a lightweight steel truss structure supporting a personnel platform which can be skidded from the upstream to the downstreem side of the bridge. Utilitiy pipes include a water main on the eastern side at the roadway level and two PVC conduits on the western side of the bridge. A number of plaques and historical markers are present either on the bridge or in its vicinity. Condition As at 5 July 2018, the bridge and its various components are in a good condition due to regular maintenance and upkeep. The bridge is highly intact and retains a high degree of integrity. Modifications Adapted from the Hampden Bridge Conservation Management Plan: The bridge has undergone regular routine maintenance to preserve its operational use since its opening in 1898. 1938-42Major redecking works were undertaken. 196Load limit of and speed limit of imposed on the bridge. 1986Road accident on bridge caused damage to sandstone bridge structure resulting in partial demolition of eastern bridge approach. 2003RTA imposed a load limit in August 2003. or B-doubles would be prohibited. 2004The RTA was instructed to install a duplicate "Narrow Bridge" and "One Lane" warning sign on the Moss Vale side and to investigate road safety options on the approaches and monitor implementation of signage. 2005Signage approaching the bridge "no passing or overtaking". 2008/2009Some timber decking was replaced as required to keep the bridge safe. 2011Major works undertaken (To be confirmed) Heritage listing As at 10 July 2018, Hampden Bridge is of state significance as the