Parks Highway MP 239 to 252 Rehabilitation
Gateway to Denali Park, Alaska
Start Date: April 2014
End Date: June 2015
This project was the seismic retrofit of ten bridges along the Parks Highway between MP 239 and MP 252. The scope of work included pouring concrete infill walls between existing pile, widening existing concrete caps and beam seats, widening existing abutments, installing seismic cable restrainers, constructing new approach slabs, repairing concrete deck, bridge deck overlay, polyester concrete placement and bridge jacking.
The jacking of the Moody Bridge over the Nenana River was a major success – a large corbel system with four 500-ton jacks were used to lift the 900-foot-long bridge while under traffic to replace the existing bearings with earthquake-friction bearings.
“Hamilton’s performance was nothing short of spectacular. When faced with unforeseen issues Hamilton was proactive and innovative. … In summary, Hamilton Construction is proactive, innovative, schedule driven, highly professional and a pleasure to do business with.”
– Steve Oswald, Project Engineer, Alaska Dept. of Transportation and Public Facilities