Crumbling concrete in the city’s stormwater drainage system created a sinkhole in a downtown Corvallis street this week.
A 2-foot-diameter hole opened up in the pavement of Northwest Jackson Avenue between Fourth and Fifth streets, exposing an even larger opening below – a 6-foot-wide and 6-foot-deep catch basin connected to the municipal storm sewer.
The problem was discovered Thursday morning and reported to city officials, according to Tom Hubbard, manager of the utilities division in the Corvallis Public Works Department.
After examining the damage, Hubbard said, Public Works crews erected safety barricades around the hole Thursday morning, then came back early Friday and filled it with rock, topped off with an asphalt patch.
But that’s just a temporary fix.
On Tuesday, Hubbard said, city workers will return to replace the failed catch basin and damaged section of concrete drain pipe.
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Three parking stalls on Jackson Avenue will remain blocked off until the repairs are complete.
Reporter Bennett Hall can be reached at 541-758-9529 or email@example.com. Follow him on Twitter at @bennetthallgt.