| SW Iowa Street Viaduct Replacement Project |
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| Project Summary: |
This is a 2010 project to replace the I-5 viaduct structures that cross over a ravine that leads to SW Iowa Street. |
| Latest Information |
Daytime lane closure on I-5 north at Iowa Street this weekend
An Oregon Department of Transportation geo/hydro engineering crew plans to perform exploratory drilling on Interstate 5 at the northbound Iowa Street viaduct this weekend. The drilling will require the closure of the right lane and shoulder on northbound I-5 at the viaduct on Saturday, April 12, 6 a.m. to 8 p.m., and Sunday, April 13, 7 a.m. to 8 p.m.
The work will take place on I-5 between mile post 298 and 298.7. The Iowa Street viaduct is approximately ½-mile north of the Terwilliger curves and about 1 mile south of the Macadam Avenue off-ramp. No I-5 on- or off-ramps will be closed during the project.
For more information, click here.
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| Project Information |
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The Oregon Department of Transportation is beginning preliminary design work on a project to replace the I-5 viaduct structures that cross over a ravine that leads to SW Iowa Street. The decks of the current structures are deteriorated and in need of major repair and in some places replacement. The bridge columns and superstructure does not meet current roadway or seismic standards. The replacement structure will be widened west towards the hillside to accommodate upgraded shoulders and median and will require the construction of new retaining walls. The one-half mile project will not add lanes or add capacity to the freeway.
In order to accommodate traffic mobility during construction, a temporary detour structure will be built.
The project is anticipated scheduled to go to bid in spring 2010 and will take two years to construct.
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| ODOT Contact Information |
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Community Affairs Coordinator
Stacy Thomas
(503)731-8281
Stacy.L.Thomas@odot.state.or.us
Project Leader
Bret Richards
(503) 731-8482
Bret.N.Richards@odot.state.or.us
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