Structure Replacements

Description: Work consists of replacement of an existing corrugated metal pipe arch conveying the unt road with a precast box culvert. Other work includes precast concrete end sections, aprons and headwalls, rock lining architectural surface treatment, driving surface aggregate (dsa) approach roadway and guide rail. This project will also replace an existing corrugated metal pipe arch with a precast rigid frame structure. Other work includes rock lining, channel lining, architectural surface treatment, and dsa approach roadway and guide rail.