How can I find out when all of the draw bridges that run along Wacker Drive
in Chicago will be up at the same time?

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Request for Question Clarification by denco-ga on 22 Aug 2006 12:30 PDT

Howdy el_homerunaso-ga,

The following would appear to be the best place to start.

Department: Transportation
Workgroup: Transportation - Bridges and Transit
Employee Name: ROUSE, DARRYL [Darryl Rouse]
Job Title: SUPT. OF BRIDGE OPERATIONS
Business: 312-745-3115
Business Address: 3100 SOUTH SACRAMENTO STREET CHICAGO, IL 60623

Here is a possible email address: drouse@cityofchicago.

If the above works for you, please tell me so I can post it and my search
strategy as the answer.  Thanks!

Looking Forward, denco-ga - Google Answers Researcher

I don't think they have a fixed scheduled time to be up
simultaneously. They're up according to the needs of boat traffic in
the river.

   The following page states that bridges on the river are raised upon
at least 12 hours advanced notice by merchant vessels which plan to
need vertical clearance.

http://www.washingtonwatchdog.org/documents/fr/02/my/10/fr10my02-5.html