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Crew repairs sinkhole near Milwaukee’s Humboldt Bridge (UPDATE)

A city of Milwaukee crew fills a sinkhole Monday that opened Saturday night near 2060 N. Humboldt Ave. at North Riverboat Road in Milwaukee. The sinkhole swallowed two cars. (Staff photo by Kevin Harnack)

MILWAUKEE (AP) — City of Milwaukee crews on Monday were working to repair a sinkhole on the ramp leading from Humboldt Avenue to Riverboat Road.

The 10-foot deep, 625-square-foot hole near the Humboldt Bridge was caused by a 42-inch water main that broke around 8 p.m. Saturday, according to Cecilia Gilbert, spokeswoman for Milwaukee’s Department of Public Works.

The water main break led to the failure of a nearby storm sewer manhole, causing the soil and gravel base to wash out through the sewer.  No damage was reported to the 72-inch storm sewer located under the water main, Gilbert said.

The sinkhole swallowed two unoccupied cars. No injuries were reported.

Rawson Contractors Inc., Sussex, is clearing debris from the sinkhole and stabilizing the site, according to a news release from DPW.

Public works staff on Monday were inspecting the scene. No time estimates could be given for repairs.

The 1927 water main was inspected prior to the Humboldt Avenue Bridge project, and was in good condition, according to the release.

— Joe Yovino

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