Minor Alteration No. WA2026103– Milepost 239.83 Bridge Repair Project

To repair scour damage to the footer of pier 6 of the existing Milepost 239.83 Bridge. Repair consists of installing sheet-pile forms surrounding the 8-foot by 22-foot pier 6 and backfilling the scour hole with controlled low strength material. Two existing abandoned piers and associated sheet-pile cofferdams from a previous bridge, each approximately 12 feet by 24 feet, will also be removed to three feet below the natural groundline within the Cottonwood Creek Channel. The remainder of the proj...