Construction work starts this week on Grand Avenue Bridge
Construction officially starts today on the two-year, $125 million Grand Avenue Bridge replacement project. Here’s what’s scheduled:
• West of the intersection of Colorado Avenue and Seventh Street, the contractor will be working on construction of a causeway. Trucks will be dumping and hauling causeway materials in this area. Anticipate eight trucks per hour or roughly 75 trucks per day during construction hours of 7 a.m. to 5 p.m. Monday through Friday. No construction activity during the weekends.
Traffic Impacts this week
Expect periodic Seventh Street closures west of the intersection of Seventh and Colorado to allow for trucks to access the causeway.
On Tuesday, the north lane of Seventh will be closed at the railroad crossing to set a barrier.
Pedestrian Access: The sidewalk along the north side of Seventh will be closed between Colorado and Cooper avenues. Access to the pedestrian bridge will remain open.
• Causeway: The contractor is building a causeway (temporary rock road) along the Colorado River bank to use as a working platform. A causeway is needed to create closer access to the bridge. This causeway is roughly 500 feet long and 50-75 feet wide. The causeway will be made out of rock and will be removed when the project is complete. Cranes, drills and trucks will be staged on the causeway.
• Utility work: The contractor is installing a storm drain line and a permanent waterline. Deep utility work begins along the north lane of Seventh between Colorado and Cooper avenues.
• Caisson construction: The contractor will begin building a caisson for construction of the south pier. A caisson is large, watertight retaining structure used to work on the foundation of the bridge pier.
• Beginning the week of Jan. 11-15, the contractor will remove the public restrooms and existing walls under the existing bridge on north side of Seventh.
A one-lane closure from Colorado to Cooper will be in effect for several months, as the contractor is constructing the causeway and installing deep utilities.
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