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Okemos Road Northbound Bridge

Okemos Camelback Bridge

Okemos Road Northbound Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: 2006, 2010, 2011, and May 14, 2019

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and Videos
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Key Facts

Facility Carried / Feature Intersected
Okemos Road Northbound Over Red Cedar River
Location
Okemos: Ingham County, Michigan: United States
Construction Date and Builder / Engineer
1924 By Builder/Contractor: Wolverine Engineering Company of Mason, Michigan and Engineer/Design: Michigan State Highway Department

Technical Facts

Rehabilitation Date
2000
Main Span Length
90 Feet (27.4 Meters)
Structure Length
90 Feet (27.4 Meters)
Roadway Width
20 Feet (6.1 Meters)
Spans
1 Main Span(s)
NBI Number
33200082000B010

Historic Significance Rating (HSR)
View Information About HSR Ratings

Bridge Documentation

This bridge's future is at risk!

Bridge Status: Slated for demolition and replacement in 2022!

September 2021 Update: The replacement project is reportedly starting with preliminary site work. Unknown demolition dates. The replacement bridge will have stupid looking arches on it. Its possible this was an attempt to "honor" the historic bridge. Indeed the arch on the replacement bridge looks so little like the camelback bridge that its more of an insult to the ingenuity of the original designers of the historic camelback bridge. To compliment the demolition of this bridge, Okemos also leveled almost all of its entire historical downtown area with plans to replace it with highrises. What was once a quaint little area in the midst of one of Lansing's biggest suburbs will now be an attempt to replicate the highrise development seen going on in nearby East Lansing. Unlike East Lansing which offers direct access to Michigan's finest university and a vibrant downtown filled with restaurants and stores, this location only offers convienient access to the declining Meridian Mall and associated typical "strips" of commercial development. A preserved camelback bridge would have at least complimented the small parks at this location and maintained the sense of a historical downtown (or remnants of one). However soon there will be no evidence whatsoever that Okemos was anything other than a suburb. These are not the types of decisions that give a community a sense of identity.

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

View The Original Plans For This Historic Bridge

Learn about Michigan's Unique Concrete Camelback Bridges

About This Bridge

This beautiful and extremely important historic bridge is one of the few rehabilitated examples of this beautiful, unique, and nationally significant structure type that is indigenous to Michigan. Because the bridge has been preserved, the bridge remains in good condition today. The rehabilitation was carried out in good taste and as such the historic significance has not been diminished. This particular example is also one of only two surviving concrete camelback bridges in Michigan to include a cantilevered sidewalk and is the only one with a sidewalk not currently threatened with demolition. The concrete camelback bridges tended to be built in rural locations, which is why few have a sidewalk. Although all of Michigan's surviving camelback bridges should be considered to have a high level of historic and technological significance, this example has added rarity because of its sidewalk, and also stands out as a rare 90 foot span example. It is also noteworthy for its 45 degree skew.

This bridge serves one-way northbound traffic with a 1950s era steel stringer bridge next door carrying the southbound direction of traffic. While not particularly significant from a historical standpoint, the southbound bridge is an attractive companion bridge on account of its retaining Michigan's signature "Type R4" railings. While this "one-way couplet" of bridges was likely created in the 1950s out of a sense of economy rather that historic preservation, these two bridges do clearly demonstrate a technique that can be applied to historic bridges found to be too narrow for the traffic they serve, where a new bridge is built to carry one direction of traffic.

The Okemos Road camelback bridge appears to have been recognized by the local community as the historic landmark it is. A sign welcoming northbound vehicles to downtown Okemos includes a graphic with the bridge at the center of the design. Also, in November 2010, Meridian Township Downtown Development Authority was investigating nominating the bridge for a formal listing in the National Register of Historic Places. While this bridge is already considered "officially historic" by the historic bridge inventory, a formal listing often carries greater weight in the eyes of newspapers and the general public, who may not realize that an eligible finding in a state historic bridge inventory is equivalent to a formal listing in the National Register in terms of available preservation funding and any federal protections such as Section 106.

Moving forward it will be important to ensure that the protective coat of sealant that has been placed on the bridge is maintained to ensure that this bridge remains in good condition. Aesthetically, it would be worth considering the removal of graffiti on the bridge followed by an application of an anti-graffiti coating.

Michigan's Concrete Camelback Bridges

All of Michigan's surviving curved chord through girders should be considered historically and technologically significant. The bridges are historically significant because they represent a unique and innovative design developed by the Michigan State Highway Department in its earlier years of bridge construction.

The bridges should be considered technologically significant as well. By incorporating a curve into the design, Michigan State Highway Department not only increased the efficiency of the design, they also greatly increased the aesthetic value of the bridges. The graceful curves of this bridge type, complemented by architectural details such as inset rectangles and pierced openings, make them among the most aesthetically pleasing of bridge types ever encountered. Straight chord through girder bridges are generally considered among the more plain and less visually appealing types of historic bridges. The aesthetic qualities of the curved girder bridge, those qualities being an integral and functional part of the bridge and not a decorative facade, should be considered to be a technologically significant feat: an extremely effective union of function and form.

Also, the 90 foot plan concrete camelbacks, including the Okemos Road Bridge are all noteworthy on a national level because they are among the longest spans seen in concrete through girders throughout the country. They represented the maximum potential of the bridge type, which had a short life because it was limited as a practical structure type in terms of span length and deck width. Most concrete through girders (including the small number of curved chord examples outside Michigan) throughout the country appear to have been limited to no more than 60 feet. With their 90 foot spans, Michigan's 90 foot plan concrete camelbacks push beyond this number considerably.

Statewide, very few examples of this bridge type have been preserved or have evidence of a preservation commitment. Further, the number of examples of this bridge type have been dropping rapidly over the years. Considering that in recent years, Michigan has begun to emerge as a leader in truss bridge preservation, it is reasonable to consider concrete camelback bridges to be the most threatened type of historic bridge in Michigan.

The bridge type has become rare through attrition in Michigan, and the rarity of the bridges today only adds to the significance of those remaining examples.

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Photo Galleries and Videos: Okemos Road Northbound Bridge

 
View Photo Gallery
2019 Bridge Photo-Documentation
Original / Full Size Photos
A collection of overview and detail photos. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
View Photo Gallery
2019 Bridge Photo-Documentation
Mobile Optimized Photos
A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
View Photo Gallery
Pre-2019 Bridge Photo-Documentation
A collection of overview and detail photos taken during several different visits before 2019. This photo gallery contains a combination of Original Size photos and Mobile Optimized photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
View Video
Walking On Sidewalk
Full Motion Video
Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.
View Video
1 1/2 Minute Documentary
Full Motion Video
This is essentially a short video with narration that follows the main narrative for this bridge. It is intended as an experimental demo or technology demonstration, the first of its kind on this website. Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.

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Maps and Links: Okemos Road Northbound Bridge

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