Location: Edmonton, AB
Client: City of Edmonton
The Latta Bridge Replacement project is a vital infrastructure endeavor aimed at improving the transportation network in Edmonton. It involves the replacement of the aging steel girder bridge on Jasper Avenue, spanning the Latta ravine. This 55-meter-long, single-span bridge features seven welded-wide-flange girders, accommodating a four-lane undivided arterial roadway. Additionally, the bridge is designed with a sidewalk and a shared-use path, enhancing accessibility and safety for pedestrians and cyclists.
This project fulfills a critical need within the Edmonton community, ensuring safe and efficient transportation for decades to come. The existing bridge was approaching the end of its service life and required replacement. Geotechnical investigations revealed ongoing distress, possibly linked to ground subsidence near the south abutment, a challenge exacerbated by the bridge’s location above a former coal mine.
Overcoming these obstacles required meticulous planning and execution. Soil grouting was employed beneath abutment piles to address coal seam issues, ensuring the piles had sufficient end bearing capacity. Protective measures, such as pile walls, were installed to safeguard the long-term stability of the headslopes, with special focus on the challenging terrain of the southeast headslope, which descends steeply into the river valley.