| Special Bridge Conditions Legend |
| ! | Confirmed demolition date within one year or an especially historic bridge that is threatened with demolition at any level. |
| X | The bridge has been confirmed demolished or collapsed. |
| S | The bridge has been dismantled or moved to an offsite location and is not currently available for public viewing. |
| Note: This website cannot guarantee the current condition of any bridge on this website. Bridges lacking these icons should not necessarily be considered condition-free. |
| Bridge Name | Facility Carried / Feature Intersected | Location | Structure Type | Construction Date / Builder or Contractor | Description | Thumbnail |
Belding Bridge
Veterans Memorial Bridge | M-44 / M-91 (Belding Road / State Street) Over Flat River / Mid-Michigan Railroad | Belding: Ionia County, Michigan | Metal Deck Girder, Stationary | 1950 By: L.A. Davidson | This is a good example of a cantilevered deck plate girder, and it was rehabilitated by MDOT! | 
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Borden Road Bridge
| Borden Road Over Prairie Creek | Rural: Ionia County, Michigan | Concrete 40 Foot Plan Curved Chord Through Girder, Stationary | 1927 By: Unknown | This small camelback bridge adds interest to an otherwise normal roadway. | 
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Burroughs Street Bridge
| Portland Rail-Trail Over Local Drain | Portland: Ionia County, Michigan | Metal Riveted Warren Pony Truss, Stationary | 0 By: Unknown | This extremely rare two-span pony truss was moved from Kent County. | 
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Cleveland Street Bridge
| Cleveland Street Over Grand River | Ionia: Ionia County, Michigan | Metal Stringer, Stationary | 1931 By: Lovering-Longbotham Company | This former trunkline bridge is a long, graceful example of its type and is in good condition. | 
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Cutler Road Bridge
| Cutler Road Over I-96 | Rural: Ionia County, Michigan | Concrete Curved T-Beam, Stationary | 1957 By: B. H. Sargent | A skewed example of a curved t-beam, this bridge features the I-96 style stepped concrete abutment design. | 
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David Highway Bridge
| David Highway Over Libhart Creek | Rural: Ionia County, Michigan | Concrete 40 Foot Plan Curved Chord Through Girder, Stationary | 1928 By: West and Barden | A beautiful camelback bridge in decent shape situated in a scenic rural farmland area. | 
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Goodwin Road Bridge
| Goodwin Road Over Grand River | Rural: Ionia County, Michigan | Metal Pinned Pratt Through Truss, Stationary | 1909 By: Riverside Bridge Company of Martins Ferry, Ohio | This large two span structure is the only known bridge in Michigan built by the Riverside Bridge Company. | 
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Hastings Road Bridge
| Hastings Road Over Duck Creek | Rural: Ionia County, Michigan | Concrete Through Girder, Stationary | 1923 By: R. R. Brenner and Son of Kalamazoo, Michigan | This is a concrete girder bridge in decent condition. | 
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Huddle Road Bridge
| Huddle Road Over Tupper Creek | Rural (Near Lake Odessa): Ionia County, Michigan | Concrete Through Girder, Stationary | 1923 By: Unknown | This concrete girder retains excellent historic integrity. | 
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Kent Street Bridge
| Pedestrian Path Over Grand River | Portland: Ionia County, Michigan | Metal Pinned Parker Through Truss, Stationary | 1907 By: Wynkoop and McGormley | This large pinned Parker truss is one of only three such highway structures in Michigan. | 
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M-21 Maple River Bridge
| M-21 (Bluewater Highway) Over Maple River | Rural: Ionia County, Michigan | Metal Stringer, Stationary | 1930 By: John R. Edelman Company | The longest and best example among three similar bridges on this section of highway. | 
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M-21 Prairie Creek Bridge
| M-21 (Bluewater Highway) Over Prairie Creek | Ionia: Ionia County, Michigan | Metal Stringer, Stationary | 1930 By: Hertel and Vander Veen | A small example of a MSHD standard stringer bridge. | 
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M-21 Railroad Overpass
| Railroad (Abandoned GT/CN) Over M-21 (Bluewater Highway) Over M-21 (Bluewater Highway) | Rural: Ionia County, Michigan | Metal Deck Girder, Stationary | 1932 By: Wisconsin Bridge and Iron Company of Milwaukee, Wisconsin | One of three similar but attractive bridges on this section of highway. | 
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M-21 Stoney Creek Bridge
| M-21 (Bluewater Highway) Over Stoney Creek | Rural: Ionia County, Michigan | Metal Stringer, Stationary | 1930 By: L. W. Lamb | One of three similar but attractive bridges on this section of highway. | 
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Morrison Lake Road Bridge
| Morrison Lake Road Over I-96 | Rural: Ionia County, Michigan | Concrete Curved T-Beam, Stationary | 1958 By: L. W. Edison Company and Own-Ames-Kimball Company | A representative example of an I-96 curved t-beam in Michigan with its associated abutment design. | 
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Muir Bridge
| Prairie Street Over Maple River | Muir: Ionia County, Michigan | Concrete Closed Spandrel Deck Arch, Stationary | 1952 By: Unknown | An unusually late example of concrete arch bridge construction in Michigan. | 
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Portland Bridge
Bridge Street Bridge | Bridge Street Over Grand River | Portland: Ionia County, Michigan | Metal Pinned Pratt Through Truss, Stationary | 1890 By: Groton Bridge Company of Groton, New York | This beautifully preserved bridge still serves as a gateway into the historic downtown of Portland. | 
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Portland Railroad Bridge
| Railroad (Rail-Trail) Over Grand River | Portland: Ionia County, Michigan | Metal Pinned Pratt Through Truss, Stationary | 0 By: Unknown | This is a two span pin connected railroad bridge that is now part of a rail-trail. | 
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Turner Road Bridge
| Turner Road Over Grand River | Rural: Ionia County, Michigan | Metal Pinned Parker Through Truss, Stationary | 1910 By: Wynkoop and McGormley | This breathtaking Parker truss is similar to Kent Street but retains greater historic integrity in a scenic setting. | 
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