This viaduct carries interstate-generated and local traffic to the western suburbs over the CSX Queensgate Railyard. It appears from a satellite image that the upper deck handles local and northbound traffic on I-75+US-52, while the lower deck handles southbound traffic on I-75+US-52.
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| Street View, Jul 2022 |
The arched part of the viaduct above goes over the Mill Creek. It has been heavily channelized.
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| Cincinnati-viaduct, looking North |
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| Cincinnati-viaduct, looking South |
It is being replaced by a single deck bridge. The interstate traffic is in the center lanes and the local traffic is in the outer lanes.
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| The Walsh Group posted NEW PROJECT! The City of Cincinnati and Hamilton County have selected The Walsh Group and Kokosing Construction to build the Western Hills Viaduct replacement project, pending contract negotiations. The $398 million project will include a new single deck “extradosed” bridge that combines the major elements of cable-stay and box girder bridges. The city and county are leading the effort to replace the 91-year-old viaduct, which connects to I-75 and carries 55,000 vehicles a day over the Mill Creek Valley and a large, active railroad yard with 32 tracks. https://www.cincinnati-oh.gov/.../city-announces.../ "It will include a protected, shared-use path on the south side and a sidewalk on the north side to improve neighborhood connections with the addition of pedestrian and bicycle access." It will be built 50' south of the current viaduct. The design of the new interchange with I-75 has to be coordinated with the Brent Spence Bridge Corridor project for the I-75 bridge over the Ohio River. |
I hope they do a better job of implementing the bridge than they did with the website. When I save the offered image, I get the last image. When I clicked for one of the other images, I get white space. I did find the first rendering repeated in a pdf file.
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| pdf via cincinnati-design, click Replacement Project, click Extradosed Bridge Fact Sheet "An extradosed bridge combines the major elements of cable-stayed and box girder bridges. The deck of an extradosed bridge provides the primary load-bearing support with cable stays attached to low towers for supplemental support. This configuration allows the bridge to span across greater distances. The bridge would look similar to a cable-stayed bridge but would have shorter towers." [The box girders are steel with a concrete deck. [Cincinnati-recommendation, p8] That is why I used the combination of labels bridgeCable and bridgeGirderSteel for these notes.] ("Queensgate Railyard, the largest active railyard in the country." [Actually, I think the UP Bailey Yard in North Platte, NE, is the largest in the USA.]) |
(The Cincinnati-recommendation link was accessed via cincinnati-design, click Replacement Project, click TY Lin Alternatives Evaluation Report)
The six designs that were considered:
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| Cincinnati-recommendation, p7 |
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| Cincinnati-recommendation, p70 |
They are already tearing down this building so that they can move this substation north of the construction area.
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| cincinnati-design |
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