Vantage Highway Over Cascade Canal
Location:
Kittias County, Washington
Dates:
Completed 2023
Details:
Replacement of the existing bridge along Vantage Highway spanning the Cascade Irrigation Canal in Kittias County due current load restrictions and damage. Replacement of the bridge, guardrail, approaches, and shoulders occurred while maintaining the channel for the Cascade Canal. The new bridge design utilized bulb T girders and added (4) four wingwalls for scour protection and longevity as well as updating to modernized specifications. Site work included roadway and channel excavation, gravel import and backfill, precast structures, retaining walls, and HMA.