• nisku-bridge

    Nisku Overpass Bridge Load Evaluation

  • supreme

    Supreme Crane Runway Expansion


    Bridge Load Evaluation

  • ardy-rigging

    Hagwilget Bridge

  • 107.4 Ashcroft. Right side

    CN - Ashcroft

  • CN Trestle

    CN Trestle Bridge

  • Blueberry

    Blueberry Bridge Load Evaluation

  • dscn0771

    Coast Edmonton Bridge Rehabilitation

  • 30 ave

    Edmonton 30 Avenue

BF 08036 on Highway 722 Erosion Repairs


The Redwillow River Bridge on Highway 722 (BF 08036) superstructure was replaced in 2013.  An unprotected gap between Class 1 riprap and Class 3 riprap might have initiated erosion during a spring flood that caused up to five meter deep erosion along the ditch and the headslope on the southwest corner of the bridge.  An emergency repair was required. Erosion protection measures were investigated including ArmorFlex Articulated Concrete Block , Gabion mat and Class 3 Rip Rap, and DuroMaxx Culvert. The option selected for construction was the Gabion mat due to cost and ease of maintenance and installation. GeoMetrix prepared tender drawings for the proposed erosion control measure and performed construction site inspection and contract administration.