SPAGHETTI JUNCTION'S problem elevated slip road reopened last Sunday after more than two years' complex strengthening work.
The Salford Circus to M6 northbound slip runs over a 70m V-shaped concrete viaduct over a main rail line. The complexity of the structural layout demanded advanced three dimensional finite element analysis to produce an effective strengthening method (NCE 17 September 1998).
Repairs, which began in March 1997 and are still not fully complete, were originally expected to take less than six months. When work is finished this autumn ,the final bill will be over £1.5M.