| 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. |
| L | Most or all of the original bridge material has been demolished and replaced, including historically significant elements, but some original parts of the bridge remain. |
| 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 | HSR Rating | Facility Carried / Feature Intersected | Location | Structure Type | Structure Dimensions | 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, Fixed |
Total Length: 414 ft Main Span Length: 130 ft Roadway Width: 28 ft Main Spans: 4 |
1950 By: L. A. Davidson of Saginaw, Michigan | This is a good example of a cantilevered deck plate girder, and it was rehabilitated by MDOT! | 
|
Borden Road Bridge
|
 | Borden Road Over Prairie Creek | Rural: Ionia County, Michigan | Concrete 40 Foot Plan Curved Chord Through Girder, Fixed |
Total Length: 40 ft Main Span Length: 35.8 ft Roadway Width: 23 ft Main Spans: 1 |
1927 By: Unknown and Michigan State Highway Department | This small camelback bridge adds interest to an otherwise normal roadway. | 
|
Bridge Street Bridge
Veterans Memorial Bridge |
 | Bridge Street Over Grand River | Portland: Ionia County, Michigan | Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 210 ft Main Span Length: 105 ft Roadway Width: 15 ft Main Spans: 2 |
1890 By: Groton Bridge Company of Groton, New York | This beautifully preserved bridge still serves as a gateway into the historic downtown of Portland. | 
|
Burroughs Street Bridge
|
 | Portland Rail-Trail Over Looking Glass River | Portland: Ionia County, Michigan | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 120 ft Main Span Length: 57 ft Roadway Width: 13.5 ft Main Spans: 2 |
1905 By: Unknown | This extremely rare two-span pony truss was moved from Kent County. | 
| ! |
Cleveland Street Bridge
|
 | Cleveland Street Over Grand River | Ionia: Ionia County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 375 ft Main Span Length: 74.8 ft Roadway Width: 30 ft Main Spans: 5 |
1931 By: Lovering-Longbotham Company and Michigan State Highway Department | This former trunkline bridge is a long, graceful example of its type and is in good condition. | 
|
Clinton Trail Bridge
|
 | Clinton Trail Over Duck Creek | Rural: Ionia County, Michigan | Concrete T-Beam, Fixed |
Total Length: 23 ft Main Span Length: 21 ft Roadway Width: 20 ft Main Spans: 1 |
1928 By: Unknown | A small concrete t-beam bridge with paneled concrete railings. | 
|
Clintonia Road Bridge
|
 | Clintonia Road Over I-96 | Rural: Clinton County, Michigan and Ionia County, Michigan | Concrete Continuous Curved T-Beam, Fixed |
Total Length: 281 ft Main Span Length: 83 ft Roadway Width: 26 ft Main Spans: 4 |
1957 By: L. A. Davidson of Saginaw, Michigan and Michigan State Highway Department | This curved t-beam was sensitively rehabilitated, with deteriorated railing posts replaced with replicas. | 
|
Cutler Road Bridge
|
 | Cutler Road Over I-96 | Rural: Ionia County, Michigan | Concrete Continuous Curved T-Beam, Fixed |
Total Length: 352.7 ft Main Span Length: 108 ft Roadway Width: 26 ft Main Spans: 4 |
1957 By: B. H. Sargent of Grand Rapids, Michigan and Michigan State Highway Department | A skewed example of a curved t-beam, this bridge features the I-96 style stepped concrete abutment design. | 
|
David Highway Bridge
|
| David Highway Over Libhart Creek | Rural: Ionia County, Michigan | Concrete 40 Foot Plan Curved Chord Through Girder, Fixed |
Total Length: 40 ft Main Span Length: 35.8 ft Roadway Width: 23 ft Main Spans: 1 |
1928 By: West and Barden and Michigan State Highway Department | A beautiful camelback bridge in decent shape situated in a scenic rural farmland area. | 
|
Dickerson Creek Railroad Bridge
|
| Railroad (Abandoned) Over Dickerson Creek | Rural: Ionia County, Michigan | Stone Semicircular Deck Arch, Fixed | Main Spans: 2 | By: Unknown | A rare Michigan multi-span stone arch bridge sits on a long-abandoned railroad line but remains open to hikers. | 
| ! |
Goodwin Road Bridge
|
 | Goodwin Road Over Grand River | Rural: Ionia County, Michigan | Metal 10 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 300 ft Main Span Length: 148 ft Roadway Width: 13.5 ft Main Spans: 2 |
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. | 
|
Hastings Road Bridge
|
 | Hastings Road Over Duck Creek | Rural: Ionia County, Michigan | Concrete Through Girder, Fixed |
Total Length: 34.8 ft Main Span Length: 30.8 ft Roadway Width: 20 ft Main Spans: 1 |
1923 By: R. R. Brenner and Son of Kalamazoo, Michigan and Michigan State Highway Department | This is a concrete girder bridge in decent condition. | 
|
Huddle Road Bridge
|
| Huddle Road Over Tupper Creek | Rural (Near Lake Odessa): Ionia County, Michigan | Concrete Through Girder, Fixed |
Total Length: 34.8 ft Main Span Length: 32.8 ft Roadway Width: 22 ft Main Spans: 1 |
1923 By: Unknown and Michigan State Highway Department | This concrete girder retains excellent historic integrity. | 
|
I-96 Grand River Bridge
|
 | I-96 Over Grand River and Market Street | Near Portland: Ionia County, Michigan | Metal Continuous Deck Girder, Fixed |
Total Length: 414 ft Main Span Length: 130 ft Roadway Width: 35.4 ft Main Spans: 4 |
1959 By: Unknown and Michigan State Highway Department | This pair of identical bridges are good examples of cantilever deck plate girder bridges in Michigan. | 
|
Kent Street Bridge
Portland and Danby Bridge |
| Pedestrian Path Over Grand River | Portland: Ionia County, Michigan | Metal 11 Panel Pin-Connected Parker Through Truss, Fixed |
Total Length: 224 ft Main Span Length: 219.2 ft Roadway Width: 16 ft Main Spans: 1 |
1907 By: Wynkoop and McGormley of Toledo, Ohio | This large pinned Parker truss is one of only three such highway structures in Michigan. | 
|
M-21 Maple River Bridge
|
| M-21 (Bluewater Highway) Over Maple River | Rural: Ionia County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 220 ft Main Span Length: 55 ft Roadway Width: 40 ft Main Spans: 4 |
1930 By: John R. Edelman Company and Michigan State Highway Department | The longest and best example among three similar bridges on this section of highway. | 
|
M-21 Prairie Creek Bridge
|
 | M-21 (Bluewater Highway) Over Prairie Creek | Ionia: Ionia County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 50 ft Main Span Length: 50 ft Roadway Width: 40 ft Main Spans: 1 |
1930 By: Hertel and Vander Veen and Michigan State Highway Department | A small example of a MSHD standard stringer bridge. | 
|
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, Fixed | Main Spans: 1 | 1932 By: Wisconsin Bridge and Iron Company of Milwaukee, Wisconsin | An interesting railroad overpass is part of an abandoned railroad line. | 
|
M-21 Stoney Creek Bridge
|
| M-21 (Bluewater Highway) Over Stoney Creek | Rural: Ionia County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 100 ft Main Span Length: 50 ft Roadway Width: 40 ft Main Spans: 2 |
1930 By: L. W. Lamb Company of Jackson, Michigan and Michigan State Highway Department | One of three similar but attractive bridges on this section of highway. | 
|
Morrison Lake Road Bridge
|
| Morrison Lake Road Over I-96 | Rural: Ionia County, Michigan | Concrete Continuous Curved T-Beam, Fixed |
Total Length: 239.8 ft Main Span Length: 71 ft Roadway Width: 26 ft Main Spans: 4 |
1958 By: L. W. Edison Company and Own-Ames-Kimball Company and Michigan State Highway Department | A representative example of an I-96 curved t-beam in Michigan with its associated abutment design. | 
| ! |
Muir Bridge
|
 | Prairie Street Over Maple River | Muir: Ionia County, Michigan | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 311 ft Main Span Length: 91 ft Roadway Width: 22 ft Main Spans: 3 |
By: Unknown | An unusually late example of concrete arch bridge construction in Michigan. | 
|
Portland Railroad Bridge
|
| Railroad (Rail-Trail) Over Grand River | Portland: Ionia County, Michigan | Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 330 ft Main Span Length: 165 ft Roadway Width: 15 ft Main Spans: 2 |
1899 By: Detroit Bridge and Iron Works of Detroit, Michigan | Resting on an 1880 substructure, this is a two span pin connected railroad bridge that is now part of a rail-trail. | 
|
Turner Road Bridge
|
| Turner Road Over Grand River | Rural: Ionia County, Michigan | Metal 9 Panel Pin-Connected Parker Through Truss, Fixed |
Total Length: 208 ft Main Span Length: 202 ft Roadway Width: 19 ft Main Spans: 1 |
1910 By: Wynkoop and McGormley of Toledo, Ohio | This breathtaking Parker truss is similar to Kent Street but retains greater historic integrity in a scenic setting. | 
|
|---|
